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Finding the Fourth Proportional to 132,637.56, 198,956.36 and 43,867.24

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Solution

The fourth proportional to 132,637.56, 198,956.36 and 43,867.24 is: 65,800.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,637.56 : 198,956.36 = 43,867.24 : x
  2. Step 2: Convert to fraction form
    132,637.56/198,956.36 = 43,867.24/x
  3. Step 3: Cross multiply
    132,637.56x = 198,956.36 × 43,867.24
  4. Step 4: Simplify right side
    132,637.56x = 8,727,666,393.65
  5. Step 5: Solve for x
    x = 8,727,666,393.65/132,637.56
  6. Step 6: Final answer
    x = 65,800.87

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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.