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Finding the Fourth Proportional to 206,125.26, 309,232.08 and 63,967.52

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Solution

The fourth proportional to 206,125.26, 309,232.08 and 63,967.52 is: 95,965.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,125.26 : 309,232.08 = 63,967.52 : x
  2. Step 2: Convert to fraction form
    206,125.26/309,232.08 = 63,967.52/x
  3. Step 3: Cross multiply
    206,125.26x = 309,232.08 × 63,967.52
  4. Step 4: Simplify right side
    206,125.26x = 19,780,810,035.12
  5. Step 5: Solve for x
    x = 19,780,810,035.12/206,125.26
  6. Step 6: Final answer
    x = 95,965.00

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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.