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Finding the Fourth Proportional to 250,343.27, 345,472.28 and 135,624.14

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Solution

The fourth proportional to 250,343.27, 345,472.28 and 135,624.14 is: 187,160.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,343.27 : 345,472.28 = 135,624.14 : x
  2. Step 2: Convert to fraction form
    250,343.27/345,472.28 = 135,624.14/x
  3. Step 3: Cross multiply
    250,343.27x = 345,472.28 × 135,624.14
  4. Step 4: Simplify right side
    250,343.27x = 46,854,378,463.36
  5. Step 5: Solve for x
    x = 46,854,378,463.36/250,343.27
  6. Step 6: Final answer
    x = 187,160.53

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1.5x scale

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.