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Finding the Fourth Proportional to 132,873.80, 199,310.70 and 125,616.20

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Solution

The fourth proportional to 132,873.80, 199,310.70 and 125,616.20 is: 188,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,873.80 : 199,310.70 = 125,616.20 : x
  2. Step 2: Convert to fraction form
    132,873.80/199,310.70 = 125,616.20/x
  3. Step 3: Cross multiply
    132,873.80x = 199,310.70 × 125,616.20
  4. Step 4: Simplify right side
    132,873.80x = 25,036,652,753.34
  5. Step 5: Solve for x
    x = 25,036,652,753.34/132,873.80
  6. Step 6: Final answer
    x = 188,424.30

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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.