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Finding the Fourth Proportional to 87,110, 130,652.71 and 27,937.99

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Solution

The fourth proportional to 87,110, 130,652.71 and 27,937.99 is: 41,903.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,110 : 130,652.71 = 27,937.99 : x
  2. Step 2: Convert to fraction form
    87,110/130,652.71 = 27,937.99/x
  3. Step 3: Cross multiply
    87,110x = 130,652.71 × 27,937.99
  4. Step 4: Simplify right side
    87,110x = 3,650,173,965.76
  5. Step 5: Solve for x
    x = 3,650,173,965.76/87,110
  6. Step 6: Final answer
    x = 41,903.04

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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.