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Finding the Fourth Proportional to 101,123.96, 151,562.92 and 71,550.32

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Solution

The fourth proportional to 101,123.96, 151,562.92 and 71,550.32 is: 107,238.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,123.96 : 151,562.92 = 71,550.32 : x
  2. Step 2: Convert to fraction form
    101,123.96/151,562.92 = 71,550.32/x
  3. Step 3: Cross multiply
    101,123.96x = 151,562.92 × 71,550.32
  4. Step 4: Simplify right side
    101,123.96x = 10,844,375,426.13
  5. Step 5: Solve for x
    x = 10,844,375,426.13/101,123.96
  6. Step 6: Final answer
    x = 107,238.44

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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.