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Finding the Fourth Proportional to 127,481.29, 191,049.64 and 48,552.46

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Solution

The fourth proportional to 127,481.29, 191,049.64 and 48,552.46 is: 72,763.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,481.29 : 191,049.64 = 48,552.46 : x
  2. Step 2: Convert to fraction form
    127,481.29/191,049.64 = 48,552.46/x
  3. Step 3: Cross multiply
    127,481.29x = 191,049.64 × 48,552.46
  4. Step 4: Simplify right side
    127,481.29x = 9,275,930,479.76
  5. Step 5: Solve for x
    x = 9,275,930,479.76/127,481.29
  6. Step 6: Final answer
    x = 72,763.07

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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.