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Finding the Fourth Proportional to 87,322.58, 130,874.27 and 37,343.89

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Solution

The fourth proportional to 87,322.58, 130,874.27 and 37,343.89 is: 55,968.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,322.58 : 130,874.27 = 37,343.89 : x
  2. Step 2: Convert to fraction form
    87,322.58/130,874.27 = 37,343.89/x
  3. Step 3: Cross multiply
    87,322.58x = 130,874.27 × 37,343.89
  4. Step 4: Simplify right side
    87,322.58x = 4,887,353,501.62
  5. Step 5: Solve for x
    x = 4,887,353,501.62/87,322.58
  6. Step 6: Final answer
    x = 55,968.95

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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.