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Finding the Fourth Proportional to 159,925.62, 239,367.61 and 117,789.10

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Solution

The fourth proportional to 159,925.62, 239,367.61 and 117,789.10 is: 176,300.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,925.62 : 239,367.61 = 117,789.10 : x
  2. Step 2: Convert to fraction form
    159,925.62/239,367.61 = 117,789.10/x
  3. Step 3: Cross multiply
    159,925.62x = 239,367.61 × 117,789.10
  4. Step 4: Simplify right side
    159,925.62x = 28,194,895,351.05
  5. Step 5: Solve for x
    x = 28,194,895,351.05/159,925.62
  6. Step 6: Final answer
    x = 176,300.05

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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.