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Finding the Fourth Proportional to 91,832.75, 137,723.04 and 35,660.87

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Solution

The fourth proportional to 91,832.75, 137,723.04 and 35,660.87 is: 53,481.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,832.75 : 137,723.04 = 35,660.87 : x
  2. Step 2: Convert to fraction form
    91,832.75/137,723.04 = 35,660.87/x
  3. Step 3: Cross multiply
    91,832.75x = 137,723.04 × 35,660.87
  4. Step 4: Simplify right side
    91,832.75x = 4,911,323,425.44
  5. Step 5: Solve for x
    x = 4,911,323,425.44/91,832.75
  6. Step 6: Final answer
    x = 53,481.18

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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.