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Finding the Fourth Proportional to 65,942,553.60, 98,912,793.60 and 18,073,497.60

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Solution

The fourth proportional to 65,942,553.60, 98,912,793.60 and 18,073,497.60 is: 27,109,962.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,942,553.60 : 98,912,793.60 = 18,073,497.60 : x
  2. Step 2: Convert to fraction form
    65,942,553.60/98,912,793.60 = 18,073,497.60/x
  3. Step 3: Cross multiply
    65,942,553.60x = 98,912,793.60 × 18,073,497.60
  4. Step 4: Simplify right side
    65,942,553.60x = 1,787,700,137,738,895.50
  5. Step 5: Solve for x
    x = 1,787,700,137,738,895.50/65,942,553.60
  6. Step 6: Final answer
    x = 27,109,962.23

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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.