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Finding the Fourth Proportional to 87,227.88, 120,253.54 and 58,888.68

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Solution

The fourth proportional to 87,227.88, 120,253.54 and 58,888.68 is: 81,184.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,227.88 : 120,253.54 = 58,888.68 : x
  2. Step 2: Convert to fraction form
    87,227.88/120,253.54 = 58,888.68/x
  3. Step 3: Cross multiply
    87,227.88x = 120,253.54 × 58,888.68
  4. Step 4: Simplify right side
    87,227.88x = 7,081,572,235.93
  5. Step 5: Solve for x
    x = 7,081,572,235.93/87,227.88
  6. Step 6: Final answer
    x = 81,184.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.