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Finding the Fourth Proportional to 299,318.72, 449,052.60 and 88,950.92

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Solution

The fourth proportional to 299,318.72, 449,052.60 and 88,950.92 is: 133,448.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,318.72 : 449,052.60 = 88,950.92 : x
  2. Step 2: Convert to fraction form
    299,318.72/449,052.60 = 88,950.92/x
  3. Step 3: Cross multiply
    299,318.72x = 449,052.60 × 88,950.92
  4. Step 4: Simplify right side
    299,318.72x = 39,943,641,898.39
  5. Step 5: Solve for x
    x = 39,943,641,898.39/299,318.72
  6. Step 6: Final answer
    x = 133,448.53

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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.