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Finding the Fourth Proportional to 132,466.57, 198,672.01 and 43,699.28

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Solution

The fourth proportional to 132,466.57, 198,672.01 and 43,699.28 is: 65,539.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,466.57 : 198,672.01 = 43,699.28 : x
  2. Step 2: Convert to fraction form
    132,466.57/198,672.01 = 43,699.28/x
  3. Step 3: Cross multiply
    132,466.57x = 198,672.01 × 43,699.28
  4. Step 4: Simplify right side
    132,466.57x = 8,681,822,690.54
  5. Step 5: Solve for x
    x = 8,681,822,690.54/132,466.57
  6. Step 6: Final answer
    x = 65,539.73

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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.