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Finding the Fourth Proportional to 167,879.82, 251,829.59 and 47,927.55

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Solution

The fourth proportional to 167,879.82, 251,829.59 and 47,927.55 is: 71,894.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,879.82 : 251,829.59 = 47,927.55 : x
  2. Step 2: Convert to fraction form
    167,879.82/251,829.59 = 47,927.55/x
  3. Step 3: Cross multiply
    167,879.82x = 251,829.59 × 47,927.55
  4. Step 4: Simplify right side
    167,879.82x = 12,069,576,619.78
  5. Step 5: Solve for x
    x = 12,069,576,619.78/167,879.82
  6. Step 6: Final answer
    x = 71,894.15

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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.