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Finding the Fourth Proportional to 167,080.80, 250,459.20 and 73,470.72

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Solution

The fourth proportional to 167,080.80, 250,459.20 and 73,470.72 is: 110,134.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,080.80 : 250,459.20 = 73,470.72 : x
  2. Step 2: Convert to fraction form
    167,080.80/250,459.20 = 73,470.72/x
  3. Step 3: Cross multiply
    167,080.80x = 250,459.20 × 73,470.72
  4. Step 4: Simplify right side
    167,080.80x = 18,401,417,754.62
  5. Step 5: Solve for x
    x = 18,401,417,754.62/167,080.80
  6. Step 6: Final answer
    x = 110,134.84

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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.