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Finding the Fourth Proportional to 117,843.63, 176,793.12 and 38,957.85

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Solution

The fourth proportional to 117,843.63, 176,793.12 and 38,957.85 is: 58,445.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,843.63 : 176,793.12 = 38,957.85 : x
  2. Step 2: Convert to fraction form
    117,843.63/176,793.12 = 38,957.85/x
  3. Step 3: Cross multiply
    117,843.63x = 176,793.12 × 38,957.85
  4. Step 4: Simplify right side
    117,843.63x = 6,887,479,849.99
  5. Step 5: Solve for x
    x = 6,887,479,849.99/117,843.63
  6. Step 6: Final answer
    x = 58,445.92

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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.