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Finding the Fourth Proportional to 275,482.56, 413,209.20 and 88,479.44

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Solution

The fourth proportional to 275,482.56, 413,209.20 and 88,479.44 is: 132,714.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,482.56 : 413,209.20 = 88,479.44 : x
  2. Step 2: Convert to fraction form
    275,482.56/413,209.20 = 88,479.44/x
  3. Step 3: Cross multiply
    275,482.56x = 413,209.20 × 88,479.44
  4. Step 4: Simplify right side
    275,482.56x = 36,560,518,618.85
  5. Step 5: Solve for x
    x = 36,560,518,618.85/275,482.56
  6. Step 6: Final answer
    x = 132,714.46

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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.