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Finding the Fourth Proportional to 87,611.60, 131,449.80 and 35,058.80

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Solution

The fourth proportional to 87,611.60, 131,449.80 and 35,058.80 is: 52,601.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,611.60 : 131,449.80 = 35,058.80 : x
  2. Step 2: Convert to fraction form
    87,611.60/131,449.80 = 35,058.80/x
  3. Step 3: Cross multiply
    87,611.60x = 131,449.80 × 35,058.80
  4. Step 4: Simplify right side
    87,611.60x = 4,608,472,248.24
  5. Step 5: Solve for x
    x = 4,608,472,248.24/87,611.60
  6. Step 6: Final answer
    x = 52,601.17

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1.5x scale

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.