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Finding the Fourth Proportional to 299,052.85, 448,502.76 and 88,641.58

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Solution

The fourth proportional to 299,052.85, 448,502.76 and 88,641.58 is: 132,939.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,052.85 : 448,502.76 = 88,641.58 : x
  2. Step 2: Convert to fraction form
    299,052.85/448,502.76 = 88,641.58/x
  3. Step 3: Cross multiply
    299,052.85x = 448,502.76 × 88,641.58
  4. Step 4: Simplify right side
    299,052.85x = 39,755,993,280.76
  5. Step 5: Solve for x
    x = 39,755,993,280.76/299,052.85
  6. Step 6: Final answer
    x = 132,939.69

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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.