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Finding the Fourth Proportional to 162,332.78, 223,874.18 and 101,909.04

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Solution

The fourth proportional to 162,332.78, 223,874.18 and 101,909.04 is: 140,543.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,332.78 : 223,874.18 = 101,909.04 : x
  2. Step 2: Convert to fraction form
    162,332.78/223,874.18 = 101,909.04/x
  3. Step 3: Cross multiply
    162,332.78x = 223,874.18 × 101,909.04
  4. Step 4: Simplify right side
    162,332.78x = 22,814,801,797.67
  5. Step 5: Solve for x
    x = 22,814,801,797.67/162,332.78
  6. Step 6: Final answer
    x = 140,543.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.