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Finding the Fourth Proportional to 167,959.92, 251,983.20 and 62,779.68

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Solution

The fourth proportional to 167,959.92, 251,983.20 and 62,779.68 is: 94,185.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,959.92 : 251,983.20 = 62,779.68 : x
  2. Step 2: Convert to fraction form
    167,959.92/251,983.20 = 62,779.68/x
  3. Step 3: Cross multiply
    167,959.92x = 251,983.20 × 62,779.68
  4. Step 4: Simplify right side
    167,959.92x = 15,819,424,661.38
  5. Step 5: Solve for x
    x = 15,819,424,661.38/167,959.92
  6. Step 6: Final answer
    x = 94,185.71

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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.