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Finding the Fourth Proportional to 73,644,491.52, 110,434,719.80 and 21,110,593.14

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Solution

The fourth proportional to 73,644,491.52, 110,434,719.80 and 21,110,593.14 is: 31,656,711.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,644,491.52 : 110,434,719.80 = 21,110,593.14 : x
  2. Step 2: Convert to fraction form
    73,644,491.52/110,434,719.80 = 21,110,593.14/x
  3. Step 3: Cross multiply
    73,644,491.52x = 110,434,719.80 × 21,110,593.14
  4. Step 4: Simplify right side
    73,644,491.52x = 2,331,342,438,280,478.50
  5. Step 5: Solve for x
    x = 2,331,342,438,280,478.50/73,644,491.52
  6. Step 6: Final answer
    x = 31,656,711.73

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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.