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Finding the Fourth Proportional to 172,344.96, 258,517.44 and 54,016.92

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Solution

The fourth proportional to 172,344.96, 258,517.44 and 54,016.92 is: 81,025.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,344.96 : 258,517.44 = 54,016.92 : x
  2. Step 2: Convert to fraction form
    172,344.96/258,517.44 = 54,016.92/x
  3. Step 3: Cross multiply
    172,344.96x = 258,517.44 × 54,016.92
  4. Step 4: Simplify right side
    172,344.96x = 13,964,315,875.08
  5. Step 5: Solve for x
    x = 13,964,315,875.08/172,344.96
  6. Step 6: Final answer
    x = 81,025.38

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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.