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Finding the Fourth Proportional to 179,236.80, 247,568.40 and 131,414.40

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Solution

The fourth proportional to 179,236.80, 247,568.40 and 131,414.40 is: 181,514.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,236.80 : 247,568.40 = 131,414.40 : x
  2. Step 2: Convert to fraction form
    179,236.80/247,568.40 = 131,414.40/x
  3. Step 3: Cross multiply
    179,236.80x = 247,568.40 × 131,414.40
  4. Step 4: Simplify right side
    179,236.80x = 32,534,052,744.96
  5. Step 5: Solve for x
    x = 32,534,052,744.96/179,236.80
  6. Step 6: Final answer
    x = 181,514.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.