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Finding the Fourth Proportional to 316,824.52, 475,237.76 and 80,167.15

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Solution

The fourth proportional to 316,824.52, 475,237.76 and 80,167.15 is: 120,250.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,824.52 : 475,237.76 = 80,167.15 : x
  2. Step 2: Convert to fraction form
    316,824.52/475,237.76 = 80,167.15/x
  3. Step 3: Cross multiply
    316,824.52x = 475,237.76 × 80,167.15
  4. Step 4: Simplify right side
    316,824.52x = 38,098,456,791.58
  5. Step 5: Solve for x
    x = 38,098,456,791.58/316,824.52
  6. Step 6: Final answer
    x = 120,250.97

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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.