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Finding the Fourth Proportional to 162,872.70, 244,309.05 and 156,967.80

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Solution

The fourth proportional to 162,872.70, 244,309.05 and 156,967.80 is: 235,451.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,872.70 : 244,309.05 = 156,967.80 : x
  2. Step 2: Convert to fraction form
    162,872.70/244,309.05 = 156,967.80/x
  3. Step 3: Cross multiply
    162,872.70x = 244,309.05 × 156,967.80
  4. Step 4: Simplify right side
    162,872.70x = 38,348,654,098.59
  5. Step 5: Solve for x
    x = 38,348,654,098.59/162,872.70
  6. Step 6: Final answer
    x = 235,451.70

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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.