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Finding the Fourth Proportional to 132,502.73, 198,797.83 and 53,573.90

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Solution

The fourth proportional to 132,502.73, 198,797.83 and 53,573.90 is: 80,378.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,502.73 : 198,797.83 = 53,573.90 : x
  2. Step 2: Convert to fraction form
    132,502.73/198,797.83 = 53,573.90/x
  3. Step 3: Cross multiply
    132,502.73x = 198,797.83 × 53,573.90
  4. Step 4: Simplify right side
    132,502.73x = 10,650,374,070.65
  5. Step 5: Solve for x
    x = 10,650,374,070.65/132,502.73
  6. Step 6: Final answer
    x = 80,378.53

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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.