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Finding the Fourth Proportional to 132,503.66, 198,775.19 and 43,766.54

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Solution

The fourth proportional to 132,503.66, 198,775.19 and 43,766.54 is: 65,656.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,503.66 : 198,775.19 = 43,766.54 : x
  2. Step 2: Convert to fraction form
    132,503.66/198,775.19 = 43,766.54/x
  3. Step 3: Cross multiply
    132,503.66x = 198,775.19 × 43,766.54
  4. Step 4: Simplify right side
    132,503.66x = 8,699,702,304.14
  5. Step 5: Solve for x
    x = 8,699,702,304.14/132,503.66
  6. Step 6: Final answer
    x = 65,656.32

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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.