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Finding the Fourth Proportional to 167,517.81, 251,323.62 and 67,748.06

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Solution

The fourth proportional to 167,517.81, 251,323.62 and 67,748.06 is: 101,641.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,517.81 : 251,323.62 = 67,748.06 : x
  2. Step 2: Convert to fraction form
    167,517.81/251,323.62 = 67,748.06/x
  3. Step 3: Cross multiply
    167,517.81x = 251,323.62 × 67,748.06
  4. Step 4: Simplify right side
    167,517.81x = 17,026,688,061.43
  5. Step 5: Solve for x
    x = 17,026,688,061.43/167,517.81
  6. Step 6: Final answer
    x = 101,641.06

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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.