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Finding the Fourth Proportional to 73,099.20, 109,713.60 and 62,601.60

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Solution

The fourth proportional to 73,099.20, 109,713.60 and 62,601.60 is: 93,957.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,099.20 : 109,713.60 = 62,601.60 : x
  2. Step 2: Convert to fraction form
    73,099.20/109,713.60 = 62,601.60/x
  3. Step 3: Cross multiply
    73,099.20x = 109,713.60 × 62,601.60
  4. Step 4: Simplify right side
    73,099.20x = 6,868,246,901.76
  5. Step 5: Solve for x
    x = 6,868,246,901.76/73,099.20
  6. Step 6: Final answer
    x = 93,957.89

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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.