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Finding the Fourth Proportional to 62,446,829.70, 93,670,244.55 and 39,744,020.10

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Solution

The fourth proportional to 62,446,829.70, 93,670,244.55 and 39,744,020.10 is: 59,616,030.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,446,829.70 : 93,670,244.55 = 39,744,020.10 : x
  2. Step 2: Convert to fraction form
    62,446,829.70/93,670,244.55 = 39,744,020.10/x
  3. Step 3: Cross multiply
    62,446,829.70x = 93,670,244.55 × 39,744,020.10
  4. Step 4: Simplify right side
    62,446,829.70x = 3,722,832,082,167,115.50
  5. Step 5: Solve for x
    x = 3,722,832,082,167,115.50/62,446,829.70
  6. Step 6: Final answer
    x = 59,616,030.15

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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.