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Finding the Fourth Proportional to 238,487.24, 357,747.42 and 80,662.34

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Solution

The fourth proportional to 238,487.24, 357,747.42 and 80,662.34 is: 120,999.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,487.24 : 357,747.42 = 80,662.34 : x
  2. Step 2: Convert to fraction form
    238,487.24/357,747.42 = 80,662.34/x
  3. Step 3: Cross multiply
    238,487.24x = 357,747.42 × 80,662.34
  4. Step 4: Simplify right side
    238,487.24x = 28,856,744,026.16
  5. Step 5: Solve for x
    x = 28,856,744,026.16/238,487.24
  6. Step 6: Final answer
    x = 120,999.11

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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.