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Finding the Fourth Proportional to 162,937.20, 244,405.80 and 109,793.10

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Solution

The fourth proportional to 162,937.20, 244,405.80 and 109,793.10 is: 164,689.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,937.20 : 244,405.80 = 109,793.10 : x
  2. Step 2: Convert to fraction form
    162,937.20/244,405.80 = 109,793.10/x
  3. Step 3: Cross multiply
    162,937.20x = 244,405.80 × 109,793.10
  4. Step 4: Simplify right side
    162,937.20x = 26,834,070,439.98
  5. Step 5: Solve for x
    x = 26,834,070,439.98/162,937.20
  6. Step 6: Final answer
    x = 164,689.65

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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.