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Finding the Fourth Proportional to 206,101.52, 309,181.62 and 63,959.08

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Solution

The fourth proportional to 206,101.52, 309,181.62 and 63,959.08 is: 95,947.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,101.52 : 309,181.62 = 63,959.08 : x
  2. Step 2: Convert to fraction form
    206,101.52/309,181.62 = 63,959.08/x
  3. Step 3: Cross multiply
    206,101.52x = 309,181.62 × 63,959.08
  4. Step 4: Simplify right side
    206,101.52x = 19,774,970,422.20
  5. Step 5: Solve for x
    x = 19,774,970,422.20/206,101.52
  6. Step 6: Final answer
    x = 95,947.72

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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.