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Finding the Fourth Proportional to 206,053.30, 309,124.15 and 63,895.52

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Solution

The fourth proportional to 206,053.30, 309,124.15 and 63,895.52 is: 95,856.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,053.30 : 309,124.15 = 63,895.52 : x
  2. Step 2: Convert to fraction form
    206,053.30/309,124.15 = 63,895.52/x
  3. Step 3: Cross multiply
    206,053.30x = 309,124.15 × 63,895.52
  4. Step 4: Simplify right side
    206,053.30x = 19,751,646,763.19
  5. Step 5: Solve for x
    x = 19,751,646,763.19/206,053.30
  6. Step 6: Final answer
    x = 95,856.98

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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.