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Finding the Fourth Proportional to 167,920.80, 251,822.52 and 49,560.72

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Solution

The fourth proportional to 167,920.80, 251,822.52 and 49,560.72 is: 74,323.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,920.80 : 251,822.52 = 49,560.72 : x
  2. Step 2: Convert to fraction form
    167,920.80/251,822.52 = 49,560.72/x
  3. Step 3: Cross multiply
    167,920.80x = 251,822.52 × 49,560.72
  4. Step 4: Simplify right side
    167,920.80x = 12,480,505,403.41
  5. Step 5: Solve for x
    x = 12,480,505,403.41/167,920.80
  6. Step 6: Final answer
    x = 74,323.76

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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.