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Finding the Fourth Proportional to 91,936,718,273.70, 137,905,077,410.55 and 91,936,718,273.70

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Solution

The fourth proportional to 91,936,718,273.70, 137,905,077,410.55 and 91,936,718,273.70 is: 137,905,077,410.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,936,718,273.70 : 137,905,077,410.55 = 91,936,718,273.70 : x
  2. Step 2: Convert to fraction form
    91,936,718,273.70/137,905,077,410.55 = 91,936,718,273.70/x
  3. Step 3: Cross multiply
    91,936,718,273.70x = 137,905,077,410.55 × 91,936,718,273.70
  4. Step 4: Simplify right side
    91,936,718,273.70x = 12,678,540,250,406,524,551,168
  5. Step 5: Solve for x
    x = 12,678,540,250,406,524,551,168/91,936,718,273.70
  6. Step 6: Final answer
    x = 137,905,077,410.55

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.