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Finding the Fourth Proportional to 87,064.66, 120,098.32 and 54,748.13

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Solution

The fourth proportional to 87,064.66, 120,098.32 and 54,748.13 is: 75,520.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,064.66 : 120,098.32 = 54,748.13 : x
  2. Step 2: Convert to fraction form
    87,064.66/120,098.32 = 54,748.13/x
  3. Step 3: Cross multiply
    87,064.66x = 120,098.32 × 54,748.13
  4. Step 4: Simplify right side
    87,064.66x = 6,575,158,436.14
  5. Step 5: Solve for x
    x = 6,575,158,436.14/87,064.66
  6. Step 6: Final answer
    x = 75,520.41

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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.