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Finding the Fourth Proportional to 267,489.88, 401,089.89 and 117,554.62

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Solution

The fourth proportional to 267,489.88, 401,089.89 and 117,554.62 is: 176,268.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,489.88 : 401,089.89 = 117,554.62 : x
  2. Step 2: Convert to fraction form
    267,489.88/401,089.89 = 117,554.62/x
  3. Step 3: Cross multiply
    267,489.88x = 401,089.89 × 117,554.62
  4. Step 4: Simplify right side
    267,489.88x = 47,149,969,604.79
  5. Step 5: Solve for x
    x = 47,149,969,604.79/267,489.88
  6. Step 6: Final answer
    x = 176,268.24

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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.