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Finding the Fourth Proportional to 167,199.78, 250,807.88 and 67,346.49

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Solution

The fourth proportional to 167,199.78, 250,807.88 and 67,346.49 is: 101,023.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,199.78 : 250,807.88 = 67,346.49 : x
  2. Step 2: Convert to fraction form
    167,199.78/250,807.88 = 67,346.49/x
  3. Step 3: Cross multiply
    167,199.78x = 250,807.88 × 67,346.49
  4. Step 4: Simplify right side
    167,199.78x = 16,891,030,382.34
  5. Step 5: Solve for x
    x = 16,891,030,382.34/167,199.78
  6. Step 6: Final answer
    x = 101,023.04

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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.