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Finding the Fourth Proportional to 87,321.83, 130,873.14 and 37,343.14

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Solution

The fourth proportional to 87,321.83, 130,873.14 and 37,343.14 is: 55,967.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,321.83 : 130,873.14 = 37,343.14 : x
  2. Step 2: Convert to fraction form
    87,321.83/130,873.14 = 37,343.14/x
  3. Step 3: Cross multiply
    87,321.83x = 130,873.14 × 37,343.14
  4. Step 4: Simplify right side
    87,321.83x = 4,887,213,989.26
  5. Step 5: Solve for x
    x = 4,887,213,989.26/87,321.83
  6. Step 6: Final answer
    x = 55,967.84

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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.