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Finding the Fourth Proportional to 275,439.26, 413,158.98 and 88,581.98

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Solution

The fourth proportional to 275,439.26, 413,158.98 and 88,581.98 is: 132,873.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,439.26 : 413,158.98 = 88,581.98 : x
  2. Step 2: Convert to fraction form
    275,439.26/413,158.98 = 88,581.98/x
  3. Step 3: Cross multiply
    275,439.26x = 413,158.98 × 88,581.98
  4. Step 4: Simplify right side
    275,439.26x = 36,598,440,503.18
  5. Step 5: Solve for x
    x = 36,598,440,503.18/275,439.26
  6. Step 6: Final answer
    x = 132,873.00

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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.