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Finding the Fourth Proportional to 117,843.58, 176,793.06 and 38,957.82

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Solution

The fourth proportional to 117,843.58, 176,793.06 and 38,957.82 is: 58,445.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,843.58 : 176,793.06 = 38,957.82 : x
  2. Step 2: Convert to fraction form
    117,843.58/176,793.06 = 38,957.82/x
  3. Step 3: Cross multiply
    117,843.58x = 176,793.06 × 38,957.82
  4. Step 4: Simplify right side
    117,843.58x = 6,887,472,208.73
  5. Step 5: Solve for x
    x = 6,887,472,208.73/117,843.58
  6. Step 6: Final answer
    x = 58,445.88

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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.