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Finding the Fourth Proportional to 172,753.60, 259,205.64 and 60,514.48

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Solution

The fourth proportional to 172,753.60, 259,205.64 and 60,514.48 is: 90,798.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,753.60 : 259,205.64 = 60,514.48 : x
  2. Step 2: Convert to fraction form
    172,753.60/259,205.64 = 60,514.48/x
  3. Step 3: Cross multiply
    172,753.60x = 259,205.64 × 60,514.48
  4. Step 4: Simplify right side
    172,753.60x = 15,685,694,517.67
  5. Step 5: Solve for x
    x = 15,685,694,517.67/172,753.60
  6. Step 6: Final answer
    x = 90,798.08

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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.