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Finding the Fourth Proportional to 275,572.48, 413,261.44 and 88,520.80

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Solution

The fourth proportional to 275,572.48, 413,261.44 and 88,520.80 is: 132,749.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,572.48 : 413,261.44 = 88,520.80 : x
  2. Step 2: Convert to fraction form
    275,572.48/413,261.44 = 88,520.80/x
  3. Step 3: Cross multiply
    275,572.48x = 413,261.44 × 88,520.80
  4. Step 4: Simplify right side
    275,572.48x = 36,582,233,277.95
  5. Step 5: Solve for x
    x = 36,582,233,277.95/275,572.48
  6. Step 6: Final answer
    x = 132,749.95

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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.