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Finding the Fourth Proportional to 203,439.10, 304,294.65 and 182,530.30

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Solution

The fourth proportional to 203,439.10, 304,294.65 and 182,530.30 is: 273,020.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,439.10 : 304,294.65 = 182,530.30 : x
  2. Step 2: Convert to fraction form
    203,439.10/304,294.65 = 182,530.30/x
  3. Step 3: Cross multiply
    203,439.10x = 304,294.65 × 182,530.30
  4. Step 4: Simplify right side
    203,439.10x = 55,542,993,752.90
  5. Step 5: Solve for x
    x = 55,542,993,752.90/203,439.10
  6. Step 6: Final answer
    x = 273,020.25

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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.