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Finding the Fourth Proportional to 275,071.44, 412,612.92 and 88,082.40

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Solution

The fourth proportional to 275,071.44, 412,612.92 and 88,082.40 is: 132,125.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,071.44 : 412,612.92 = 88,082.40 : x
  2. Step 2: Convert to fraction form
    275,071.44/412,612.92 = 88,082.40/x
  3. Step 3: Cross multiply
    275,071.44x = 412,612.92 × 88,082.40
  4. Step 4: Simplify right side
    275,071.44x = 36,343,936,264.61
  5. Step 5: Solve for x
    x = 36,343,936,264.61/275,071.44
  6. Step 6: Final answer
    x = 132,125.44

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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.