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Finding the Fourth Proportional to 491,168.52, 736,752.81 and 136,182.55

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Solution

The fourth proportional to 491,168.52, 736,752.81 and 136,182.55 is: 204,273.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,168.52 : 736,752.81 = 136,182.55 : x
  2. Step 2: Convert to fraction form
    491,168.52/736,752.81 = 136,182.55/x
  3. Step 3: Cross multiply
    491,168.52x = 736,752.81 × 136,182.55
  4. Step 4: Simplify right side
    491,168.52x = 100,332,876,385.47
  5. Step 5: Solve for x
    x = 100,332,876,385.47/491,168.52
  6. Step 6: Final answer
    x = 204,273.83

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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.