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Finding the Fourth Proportional to 159,812.39, 239,550.08 and 53,167.86

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Solution

The fourth proportional to 159,812.39, 239,550.08 and 53,167.86 is: 79,695.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,812.39 : 239,550.08 = 53,167.86 : x
  2. Step 2: Convert to fraction form
    159,812.39/239,550.08 = 53,167.86/x
  3. Step 3: Cross multiply
    159,812.39x = 239,550.08 × 53,167.86
  4. Step 4: Simplify right side
    159,812.39x = 12,736,364,850.59
  5. Step 5: Solve for x
    x = 12,736,364,850.59/159,812.39
  6. Step 6: Final answer
    x = 79,695.73

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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.