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Finding the Fourth Proportional to 151,903.38, 227,854.98 and 67,641.78

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Solution

The fourth proportional to 151,903.38, 227,854.98 and 67,641.78 is: 101,462.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,903.38 : 227,854.98 = 67,641.78 : x
  2. Step 2: Convert to fraction form
    151,903.38/227,854.98 = 67,641.78/x
  3. Step 3: Cross multiply
    151,903.38x = 227,854.98 × 67,641.78
  4. Step 4: Simplify right side
    151,903.38x = 15,412,516,429.06
  5. Step 5: Solve for x
    x = 15,412,516,429.06/151,903.38
  6. Step 6: Final answer
    x = 101,462.63

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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.