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Finding the Fourth Proportional to 167,487.40, 251,231.10 and 96,409.90

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Solution

The fourth proportional to 167,487.40, 251,231.10 and 96,409.90 is: 144,614.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,487.40 : 251,231.10 = 96,409.90 : x
  2. Step 2: Convert to fraction form
    167,487.40/251,231.10 = 96,409.90/x
  3. Step 3: Cross multiply
    167,487.40x = 251,231.10 × 96,409.90
  4. Step 4: Simplify right side
    167,487.40x = 24,221,165,227.89
  5. Step 5: Solve for x
    x = 24,221,165,227.89/167,487.40
  6. Step 6: Final answer
    x = 144,614.85

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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.