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Finding the Fourth Proportional to 132,476.62, 198,672.78 and 43,713.58

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Solution

The fourth proportional to 132,476.62, 198,672.78 and 43,713.58 is: 65,556.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,476.62 : 198,672.78 = 43,713.58 : x
  2. Step 2: Convert to fraction form
    132,476.62/198,672.78 = 43,713.58/x
  3. Step 3: Cross multiply
    132,476.62x = 198,672.78 × 43,713.58
  4. Step 4: Simplify right side
    132,476.62x = 8,684,698,462.35
  5. Step 5: Solve for x
    x = 8,684,698,462.35/132,476.62
  6. Step 6: Final answer
    x = 65,556.46

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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.