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Finding the Fourth Proportional to 132,447.86, 198,678.68 and 43,708.29

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Solution

The fourth proportional to 132,447.86, 198,678.68 and 43,708.29 is: 65,564.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,447.86 : 198,678.68 = 43,708.29 : x
  2. Step 2: Convert to fraction form
    132,447.86/198,678.68 = 43,708.29/x
  3. Step 3: Cross multiply
    132,447.86x = 198,678.68 × 43,708.29
  4. Step 4: Simplify right side
    132,447.86x = 8,683,905,471.53
  5. Step 5: Solve for x
    x = 8,683,905,471.53/132,447.86
  6. Step 6: Final answer
    x = 65,564.71

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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.