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Finding the Fourth Proportional to 235,129.30, 352,175.55 and 204,025.30

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Solution

The fourth proportional to 235,129.30, 352,175.55 and 204,025.30 is: 305,588.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,129.30 : 352,175.55 = 204,025.30 : x
  2. Step 2: Convert to fraction form
    235,129.30/352,175.55 = 204,025.30/x
  3. Step 3: Cross multiply
    235,129.30x = 352,175.55 × 204,025.30
  4. Step 4: Simplify right side
    235,129.30x = 71,852,722,241.42
  5. Step 5: Solve for x
    x = 71,852,722,241.42/235,129.30
  6. Step 6: Final answer
    x = 305,588.13

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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.