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Finding the Fourth Proportional to 132,874.40, 199,311.60 and 109,254.80

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Solution

The fourth proportional to 132,874.40, 199,311.60 and 109,254.80 is: 163,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,874.40 : 199,311.60 = 109,254.80 : x
  2. Step 2: Convert to fraction form
    132,874.40/199,311.60 = 109,254.80/x
  3. Step 3: Cross multiply
    132,874.40x = 199,311.60 × 109,254.80
  4. Step 4: Simplify right side
    132,874.40x = 21,775,748,995.68
  5. Step 5: Solve for x
    x = 21,775,748,995.68/132,874.40
  6. Step 6: Final answer
    x = 163,882.20

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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.