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Finding the Fourth Proportional to 63,955,204.70, 89,738,840.50 and 63,955,204.70

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Solution

The fourth proportional to 63,955,204.70, 89,738,840.50 and 63,955,204.70 is: 89,738,840.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,955,204.70 : 89,738,840.50 = 63,955,204.70 : x
  2. Step 2: Convert to fraction form
    63,955,204.70/89,738,840.50 = 63,955,204.70/x
  3. Step 3: Cross multiply
    63,955,204.70x = 89,738,840.50 × 63,955,204.70
  4. Step 4: Simplify right side
    63,955,204.70x = 5,739,265,913,718,151
  5. Step 5: Solve for x
    x = 5,739,265,913,718,151/63,955,204.70
  6. Step 6: Final answer
    x = 89,738,840.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.