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Finding the Fourth Proportional to 178,577.92, 267,872.40 and 89,835.04

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Solution

The fourth proportional to 178,577.92, 267,872.40 and 89,835.04 is: 134,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,577.92 : 267,872.40 = 89,835.04 : x
  2. Step 2: Convert to fraction form
    178,577.92/267,872.40 = 89,835.04/x
  3. Step 3: Cross multiply
    178,577.92x = 267,872.40 × 89,835.04
  4. Step 4: Simplify right side
    178,577.92x = 24,064,327,768.90
  5. Step 5: Solve for x
    x = 24,064,327,768.90/178,577.92
  6. Step 6: Final answer
    x = 134,755.34

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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.