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Finding the Fourth Proportional to 101,489.60, 151,942.80 and 62,123.60

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Solution

The fourth proportional to 101,489.60, 151,942.80 and 62,123.60 is: 93,006.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,489.60 : 151,942.80 = 62,123.60 : x
  2. Step 2: Convert to fraction form
    101,489.60/151,942.80 = 62,123.60/x
  3. Step 3: Cross multiply
    101,489.60x = 151,942.80 × 62,123.60
  4. Step 4: Simplify right side
    101,489.60x = 9,439,233,730.08
  5. Step 5: Solve for x
    x = 9,439,233,730.08/101,489.60
  6. Step 6: Final answer
    x = 93,006.91

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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.