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Finding the Fourth Proportional to 299,318.22, 449,051.85 and 88,950.42

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Solution

The fourth proportional to 299,318.22, 449,051.85 and 88,950.42 is: 133,447.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,318.22 : 449,051.85 = 88,950.42 : x
  2. Step 2: Convert to fraction form
    299,318.22/449,051.85 = 88,950.42/x
  3. Step 3: Cross multiply
    299,318.22x = 449,051.85 × 88,950.42
  4. Step 4: Simplify right side
    299,318.22x = 39,943,350,659.28
  5. Step 5: Solve for x
    x = 39,943,350,659.28/299,318.22
  6. Step 6: Final answer
    x = 133,447.78

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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.