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Finding the Fourth Proportional to 131,793.80, 197,652.30 and 47,544.20

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Solution

The fourth proportional to 131,793.80, 197,652.30 and 47,544.20 is: 71,302.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,793.80 : 197,652.30 = 47,544.20 : x
  2. Step 2: Convert to fraction form
    131,793.80/197,652.30 = 47,544.20/x
  3. Step 3: Cross multiply
    131,793.80x = 197,652.30 × 47,544.20
  4. Step 4: Simplify right side
    131,793.80x = 9,397,220,481.66
  5. Step 5: Solve for x
    x = 9,397,220,481.66/131,793.80
  6. Step 6: Final answer
    x = 71,302.45

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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.