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Finding the Fourth Proportional to 159,951.40, 239,423.96 and 109,737.88

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Solution

The fourth proportional to 159,951.40, 239,423.96 and 109,737.88 is: 164,261.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,951.40 : 239,423.96 = 109,737.88 : x
  2. Step 2: Convert to fraction form
    159,951.40/239,423.96 = 109,737.88/x
  3. Step 3: Cross multiply
    159,951.40x = 239,423.96 × 109,737.88
  4. Step 4: Simplify right side
    159,951.40x = 26,273,877,791.60
  5. Step 5: Solve for x
    x = 26,273,877,791.60/159,951.40
  6. Step 6: Final answer
    x = 164,261.63

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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.