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Finding the Fourth Proportional to 159,674.76, 239,446.26 and 54,502.20

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Solution

The fourth proportional to 159,674.76, 239,446.26 and 54,502.20 is: 81,730.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,674.76 : 239,446.26 = 54,502.20 : x
  2. Step 2: Convert to fraction form
    159,674.76/239,446.26 = 54,502.20/x
  3. Step 3: Cross multiply
    159,674.76x = 239,446.26 × 54,502.20
  4. Step 4: Simplify right side
    159,674.76x = 13,050,347,951.77
  5. Step 5: Solve for x
    x = 13,050,347,951.77/159,674.76
  6. Step 6: Final answer
    x = 81,730.81

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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.