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Finding the Fourth Proportional to 185,449.48, 255,920.42 and 100,566.52

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Solution

The fourth proportional to 185,449.48, 255,920.42 and 100,566.52 is: 138,781.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,449.48 : 255,920.42 = 100,566.52 : x
  2. Step 2: Convert to fraction form
    185,449.48/255,920.42 = 100,566.52/x
  3. Step 3: Cross multiply
    185,449.48x = 255,920.42 × 100,566.52
  4. Step 4: Simplify right side
    185,449.48x = 25,737,026,036.34
  5. Step 5: Solve for x
    x = 25,737,026,036.34/185,449.48
  6. Step 6: Final answer
    x = 138,781.87

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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.