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Finding the Fourth Proportional to 206,393.30, 284,825.65 and 124,710.22

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Solution

The fourth proportional to 206,393.30, 284,825.65 and 124,710.22 is: 172,101.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,393.30 : 284,825.65 = 124,710.22 : x
  2. Step 2: Convert to fraction form
    206,393.30/284,825.65 = 124,710.22/x
  3. Step 3: Cross multiply
    206,393.30x = 284,825.65 × 124,710.22
  4. Step 4: Simplify right side
    206,393.30x = 35,520,669,876.82
  5. Step 5: Solve for x
    x = 35,520,669,876.82/206,393.30
  6. Step 6: Final answer
    x = 172,101.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.