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Finding the Fourth Proportional to 69,503,691.50, 95,574,972.03 and 60,320,391.02

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Solution

The fourth proportional to 69,503,691.50, 95,574,972.03 and 60,320,391.02 is: 82,946,956.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,503,691.50 : 95,574,972.03 = 60,320,391.02 : x
  2. Step 2: Convert to fraction form
    69,503,691.50/95,574,972.03 = 60,320,391.02/x
  3. Step 3: Cross multiply
    69,503,691.50x = 95,574,972.03 × 60,320,391.02
  4. Step 4: Simplify right side
    69,503,691.50x = 5,765,119,684,575,164
  5. Step 5: Solve for x
    x = 5,765,119,684,575,164/69,503,691.50
  6. Step 6: Final answer
    x = 82,946,956.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.