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Finding the Fourth Proportional to 132,257.60, 198,405.84 and 43,494.56

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Solution

The fourth proportional to 132,257.60, 198,405.84 and 43,494.56 is: 65,248.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,257.60 : 198,405.84 = 43,494.56 : x
  2. Step 2: Convert to fraction form
    132,257.60/198,405.84 = 43,494.56/x
  3. Step 3: Cross multiply
    132,257.60x = 198,405.84 × 43,494.56
  4. Step 4: Simplify right side
    132,257.60x = 8,629,574,712.23
  5. Step 5: Solve for x
    x = 8,629,574,712.23/132,257.60
  6. Step 6: Final answer
    x = 65,248.23

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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.