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Finding the Fourth Proportional to 206,563.52, 309,877.68 and 88,235.52

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Solution

The fourth proportional to 206,563.52, 309,877.68 and 88,235.52 is: 132,367.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,563.52 : 309,877.68 = 88,235.52 : x
  2. Step 2: Convert to fraction form
    206,563.52/309,877.68 = 88,235.52/x
  3. Step 3: Cross multiply
    206,563.52x = 309,877.68 × 88,235.52
  4. Step 4: Simplify right side
    206,563.52x = 27,342,218,231.19
  5. Step 5: Solve for x
    x = 27,342,218,231.19/206,563.52
  6. Step 6: Final answer
    x = 132,367.12

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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.