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Finding the Fourth Proportional to 167,278.62, 250,727.04 and 67,374.84

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Solution

The fourth proportional to 167,278.62, 250,727.04 and 67,374.84 is: 100,985.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,278.62 : 250,727.04 = 67,374.84 : x
  2. Step 2: Convert to fraction form
    167,278.62/250,727.04 = 67,374.84/x
  3. Step 3: Cross multiply
    167,278.62x = 250,727.04 × 67,374.84
  4. Step 4: Simplify right side
    167,278.62x = 16,892,694,203.67
  5. Step 5: Solve for x
    x = 16,892,694,203.67/167,278.62
  6. Step 6: Final answer
    x = 100,985.38

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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.