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Finding the Fourth Proportional to 51,010,310.10, 76,515,465.15 and 51,010,310.10

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Solution

The fourth proportional to 51,010,310.10, 76,515,465.15 and 51,010,310.10 is: 76,515,465.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,010,310.10 : 76,515,465.15 = 51,010,310.10 : x
  2. Step 2: Convert to fraction form
    51,010,310.10/76,515,465.15 = 51,010,310.10/x
  3. Step 3: Cross multiply
    51,010,310.10x = 76,515,465.15 × 51,010,310.10
  4. Step 4: Simplify right side
    51,010,310.10x = 3,903,077,604,747,243.50
  5. Step 5: Solve for x
    x = 3,903,077,604,747,243.50/51,010,310.10
  6. Step 6: Final answer
    x = 76,515,465.15

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Double scale
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Similar ratio
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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.