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Finding the Fourth Proportional to 203,176.10, 304,764.15 and 132,317.30

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Solution

The fourth proportional to 203,176.10, 304,764.15 and 132,317.30 is: 198,475.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,176.10 : 304,764.15 = 132,317.30 : x
  2. Step 2: Convert to fraction form
    203,176.10/304,764.15 = 132,317.30/x
  3. Step 3: Cross multiply
    203,176.10x = 304,764.15 × 132,317.30
  4. Step 4: Simplify right side
    203,176.10x = 40,325,569,464.80
  5. Step 5: Solve for x
    x = 40,325,569,464.80/203,176.10
  6. Step 6: Final answer
    x = 198,475.95

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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.