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Finding the Fourth Proportional to 159,716.61, 239,523.06 and 53,071.92

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Solution

The fourth proportional to 159,716.61, 239,523.06 and 53,071.92 is: 79,590.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,716.61 : 239,523.06 = 53,071.92 : x
  2. Step 2: Convert to fraction form
    159,716.61/239,523.06 = 53,071.92/x
  3. Step 3: Cross multiply
    159,716.61x = 239,523.06 × 53,071.92
  4. Step 4: Simplify right side
    159,716.61x = 12,711,948,678.48
  5. Step 5: Solve for x
    x = 12,711,948,678.48/159,716.61
  6. Step 6: Final answer
    x = 79,590.65

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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.