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Finding the Fourth Proportional to 135,247.40, 202,871.10 and 132,331.40

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Solution

The fourth proportional to 135,247.40, 202,871.10 and 132,331.40 is: 198,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,247.40 : 202,871.10 = 132,331.40 : x
  2. Step 2: Convert to fraction form
    135,247.40/202,871.10 = 132,331.40/x
  3. Step 3: Cross multiply
    135,247.40x = 202,871.10 × 132,331.40
  4. Step 4: Simplify right side
    135,247.40x = 26,846,216,682.54
  5. Step 5: Solve for x
    x = 26,846,216,682.54/135,247.40
  6. Step 6: Final answer
    x = 198,497.10

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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.