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Finding the Fourth Proportional to 95,242.30, 142,630.17 and 67,093.18

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Solution

The fourth proportional to 95,242.30, 142,630.17 and 67,093.18 is: 100,475.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,242.30 : 142,630.17 = 67,093.18 : x
  2. Step 2: Convert to fraction form
    95,242.30/142,630.17 = 67,093.18/x
  3. Step 3: Cross multiply
    95,242.30x = 142,630.17 × 67,093.18
  4. Step 4: Simplify right side
    95,242.30x = 9,569,511,669.24
  5. Step 5: Solve for x
    x = 9,569,511,669.24/95,242.30
  6. Step 6: Final answer
    x = 100,475.44

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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.