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Finding the Fourth Proportional to 299,104.20, 448,502.40 and 88,714.80

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Solution

The fourth proportional to 299,104.20, 448,502.40 and 88,714.80 is: 133,026.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,104.20 : 448,502.40 = 88,714.80 : x
  2. Step 2: Convert to fraction form
    299,104.20/448,502.40 = 88,714.80/x
  3. Step 3: Cross multiply
    299,104.20x = 448,502.40 × 88,714.80
  4. Step 4: Simplify right side
    299,104.20x = 39,788,800,715.52
  5. Step 5: Solve for x
    x = 39,788,800,715.52/299,104.20
  6. Step 6: Final answer
    x = 133,026.55

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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.