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Finding the Fourth Proportional to 65,664,016.60, 98,496,024.90 and 39,797,930.20

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Solution

The fourth proportional to 65,664,016.60, 98,496,024.90 and 39,797,930.20 is: 59,696,895.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,664,016.60 : 98,496,024.90 = 39,797,930.20 : x
  2. Step 2: Convert to fraction form
    65,664,016.60/98,496,024.90 = 39,797,930.20/x
  3. Step 3: Cross multiply
    65,664,016.60x = 98,496,024.90 × 39,797,930.20
  4. Step 4: Simplify right side
    65,664,016.60x = 3,919,937,923,947,662.50
  5. Step 5: Solve for x
    x = 3,919,937,923,947,662.50/65,664,016.60
  6. Step 6: Final answer
    x = 59,696,895.30

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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.