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Finding the Fourth Proportional to 132,092.70, 197,793.45 and 125,871.90

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Solution

The fourth proportional to 132,092.70, 197,793.45 and 125,871.90 is: 188,478.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,092.70 : 197,793.45 = 125,871.90 : x
  2. Step 2: Convert to fraction form
    132,092.70/197,793.45 = 125,871.90/x
  3. Step 3: Cross multiply
    132,092.70x = 197,793.45 × 125,871.90
  4. Step 4: Simplify right side
    132,092.70x = 24,896,637,359.06
  5. Step 5: Solve for x
    x = 24,896,637,359.06/132,092.70
  6. Step 6: Final answer
    x = 188,478.53

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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.