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Finding the Fourth Proportional to 203,181.76, 304,801.22 and 84,826.18

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Solution

The fourth proportional to 203,181.76, 304,801.22 and 84,826.18 is: 127,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,181.76 : 304,801.22 = 84,826.18 : x
  2. Step 2: Convert to fraction form
    203,181.76/304,801.22 = 84,826.18/x
  3. Step 3: Cross multiply
    203,181.76x = 304,801.22 × 84,826.18
  4. Step 4: Simplify right side
    203,181.76x = 25,855,123,151.94
  5. Step 5: Solve for x
    x = 25,855,123,151.94/203,181.76
  6. Step 6: Final answer
    x = 127,251.20

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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.