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Finding the Fourth Proportional to 167,868.81, 251,775.88 and 68,024.97

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Solution

The fourth proportional to 167,868.81, 251,775.88 and 68,024.97 is: 102,026.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,868.81 : 251,775.88 = 68,024.97 : x
  2. Step 2: Convert to fraction form
    167,868.81/251,775.88 = 68,024.97/x
  3. Step 3: Cross multiply
    167,868.81x = 251,775.88 × 68,024.97
  4. Step 4: Simplify right side
    167,868.81x = 17,127,046,513.66
  5. Step 5: Solve for x
    x = 17,127,046,513.66/167,868.81
  6. Step 6: Final answer
    x = 102,026.38

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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.