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Finding the Fourth Proportional to 87,116.76, 130,662.84 and 27,944.73

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Solution

The fourth proportional to 87,116.76, 130,662.84 and 27,944.73 is: 41,913.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,116.76 : 130,662.84 = 27,944.73 : x
  2. Step 2: Convert to fraction form
    87,116.76/130,662.84 = 27,944.73/x
  3. Step 3: Cross multiply
    87,116.76x = 130,662.84 × 27,944.73
  4. Step 4: Simplify right side
    87,116.76x = 3,651,337,784.83
  5. Step 5: Solve for x
    x = 3,651,337,784.83/87,116.76
  6. Step 6: Final answer
    x = 41,913.15

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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.