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Finding the Fourth Proportional to 267,162.93, 400,744.40 and 119,315.25

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Solution

The fourth proportional to 267,162.93, 400,744.40 and 119,315.25 is: 178,972.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,162.93 : 400,744.40 = 119,315.25 : x
  2. Step 2: Convert to fraction form
    267,162.93/400,744.40 = 119,315.25/x
  3. Step 3: Cross multiply
    267,162.93x = 400,744.40 × 119,315.25
  4. Step 4: Simplify right side
    267,162.93x = 47,814,917,675.52
  5. Step 5: Solve for x
    x = 47,814,917,675.52/267,162.93
  6. Step 6: Final answer
    x = 178,972.88

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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.