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Finding the Fourth Proportional to 122,358.60, 183,604.77 and 47,481.71

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Solution

The fourth proportional to 122,358.60, 183,604.77 and 47,481.71 is: 71,248.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,358.60 : 183,604.77 = 47,481.71 : x
  2. Step 2: Convert to fraction form
    122,358.60/183,604.77 = 47,481.71/x
  3. Step 3: Cross multiply
    122,358.60x = 183,604.77 × 47,481.71
  4. Step 4: Simplify right side
    122,358.60x = 8,717,867,525.73
  5. Step 5: Solve for x
    x = 8,717,867,525.73/122,358.60
  6. Step 6: Final answer
    x = 71,248.51

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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.