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Finding the Fourth Proportional to 275,861.70, 413,754.15 and 88,892.10

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Solution

The fourth proportional to 275,861.70, 413,754.15 and 88,892.10 is: 133,325.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,861.70 : 413,754.15 = 88,892.10 : x
  2. Step 2: Convert to fraction form
    275,861.70/413,754.15 = 88,892.10/x
  3. Step 3: Cross multiply
    275,861.70x = 413,754.15 × 88,892.10
  4. Step 4: Simplify right side
    275,861.70x = 36,779,475,277.22
  5. Step 5: Solve for x
    x = 36,779,475,277.22/275,861.70
  6. Step 6: Final answer
    x = 133,325.78

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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.