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Finding the Fourth Proportional to 324,772.47, 487,101.24 and 88,133.58

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Solution

The fourth proportional to 324,772.47, 487,101.24 and 88,133.58 is: 132,184.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,772.47 : 487,101.24 = 88,133.58 : x
  2. Step 2: Convert to fraction form
    324,772.47/487,101.24 = 88,133.58/x
  3. Step 3: Cross multiply
    324,772.47x = 487,101.24 × 88,133.58
  4. Step 4: Simplify right side
    324,772.47x = 42,929,976,103.64
  5. Step 5: Solve for x
    x = 42,929,976,103.64/324,772.47
  6. Step 6: Final answer
    x = 132,184.78

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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.