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Finding the Fourth Proportional to 269,774.10, 404,661.15 and 82,761.30

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Solution

The fourth proportional to 269,774.10, 404,661.15 and 82,761.30 is: 124,141.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,774.10 : 404,661.15 = 82,761.30 : x
  2. Step 2: Convert to fraction form
    269,774.10/404,661.15 = 82,761.30/x
  3. Step 3: Cross multiply
    269,774.10x = 404,661.15 × 82,761.30
  4. Step 4: Simplify right side
    269,774.10x = 33,490,282,833.50
  5. Step 5: Solve for x
    x = 33,490,282,833.50/269,774.10
  6. Step 6: Final answer
    x = 124,141.95

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1.5x scale

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.