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Finding the Fourth Proportional to 87,335.56, 130,893.72 and 37,356.88

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Solution

The fourth proportional to 87,335.56, 130,893.72 and 37,356.88 is: 55,988.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,335.56 : 130,893.72 = 37,356.88 : x
  2. Step 2: Convert to fraction form
    87,335.56/130,893.72 = 37,356.88/x
  3. Step 3: Cross multiply
    87,335.56x = 130,893.72 × 37,356.88
  4. Step 4: Simplify right side
    87,335.56x = 4,889,780,990.79
  5. Step 5: Solve for x
    x = 4,889,780,990.79/87,335.56
  6. Step 6: Final answer
    x = 55,988.43

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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.