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Finding the Fourth Proportional to 162,691.39, 224,942.52 and 142,490.34

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Solution

The fourth proportional to 162,691.39, 224,942.52 and 142,490.34 is: 197,011.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,691.39 : 224,942.52 = 142,490.34 : x
  2. Step 2: Convert to fraction form
    162,691.39/224,942.52 = 142,490.34/x
  3. Step 3: Cross multiply
    162,691.39x = 224,942.52 × 142,490.34
  4. Step 4: Simplify right side
    162,691.39x = 32,052,135,888.09
  5. Step 5: Solve for x
    x = 32,052,135,888.09/162,691.39
  6. Step 6: Final answer
    x = 197,011.88

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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.