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Finding the Fourth Proportional to 60,499,059.60, 90,748,589.40 and 20,104,294.80

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Solution

The fourth proportional to 60,499,059.60, 90,748,589.40 and 20,104,294.80 is: 30,156,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,499,059.60 : 90,748,589.40 = 20,104,294.80 : x
  2. Step 2: Convert to fraction form
    60,499,059.60/90,748,589.40 = 20,104,294.80/x
  3. Step 3: Cross multiply
    60,499,059.60x = 90,748,589.40 × 20,104,294.80
  4. Step 4: Simplify right side
    60,499,059.60x = 1,824,436,393,981,755.25
  5. Step 5: Solve for x
    x = 1,824,436,393,981,755.25/60,499,059.60
  6. Step 6: Final answer
    x = 30,156,442.20

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1.5x scale

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.