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Finding the Fourth Proportional to 132,281, 198,450.24 and 43,543.52

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Solution

The fourth proportional to 132,281, 198,450.24 and 43,543.52 is: 65,324.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,281 : 198,450.24 = 43,543.52 : x
  2. Step 2: Convert to fraction form
    132,281/198,450.24 = 43,543.52/x
  3. Step 3: Cross multiply
    132,281x = 198,450.24 × 43,543.52
  4. Step 4: Simplify right side
    132,281x = 8,641,221,994.44
  5. Step 5: Solve for x
    x = 8,641,221,994.44/132,281
  6. Step 6: Final answer
    x = 65,324.74

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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.