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Finding the Fourth Proportional to 172,616.67, 258,987.15 and 60,313.41

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Solution

The fourth proportional to 172,616.67, 258,987.15 and 60,313.41 is: 90,491.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,616.67 : 258,987.15 = 60,313.41 : x
  2. Step 2: Convert to fraction form
    172,616.67/258,987.15 = 60,313.41/x
  3. Step 3: Cross multiply
    172,616.67x = 258,987.15 × 60,313.41
  4. Step 4: Simplify right side
    172,616.67x = 15,620,398,162.68
  5. Step 5: Solve for x
    x = 15,620,398,162.68/172,616.67
  6. Step 6: Final answer
    x = 90,491.83

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1.5x scale

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.