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Finding the Fourth Proportional to 167,879.92, 251,819.88 and 55,529.95

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Solution

The fourth proportional to 167,879.92, 251,819.88 and 55,529.95 is: 83,294.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,879.92 : 251,819.88 = 55,529.95 : x
  2. Step 2: Convert to fraction form
    167,879.92/251,819.88 = 55,529.95/x
  3. Step 3: Cross multiply
    167,879.92x = 251,819.88 × 55,529.95
  4. Step 4: Simplify right side
    167,879.92x = 13,983,545,345.41
  5. Step 5: Solve for x
    x = 13,983,545,345.41/167,879.92
  6. Step 6: Final answer
    x = 83,294.93

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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.