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Finding the Fourth Proportional to 159,078.60, 238,612.42 and 40,750.96

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Solution

The fourth proportional to 159,078.60, 238,612.42 and 40,750.96 is: 61,125.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,078.60 : 238,612.42 = 40,750.96 : x
  2. Step 2: Convert to fraction form
    159,078.60/238,612.42 = 40,750.96/x
  3. Step 3: Cross multiply
    159,078.60x = 238,612.42 × 40,750.96
  4. Step 4: Simplify right side
    159,078.60x = 9,723,685,182.92
  5. Step 5: Solve for x
    x = 9,723,685,182.92/159,078.60
  6. Step 6: Final answer
    x = 61,125.04

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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.