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Finding the Fourth Proportional to 82,045.17, 123,067.80 and 26,641.17

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Solution

The fourth proportional to 82,045.17, 123,067.80 and 26,641.17 is: 39,961.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,045.17 : 123,067.80 = 26,641.17 : x
  2. Step 2: Convert to fraction form
    82,045.17/123,067.80 = 26,641.17/x
  3. Step 3: Cross multiply
    82,045.17x = 123,067.80 × 26,641.17
  4. Step 4: Simplify right side
    82,045.17x = 3,278,670,181.33
  5. Step 5: Solve for x
    x = 3,278,670,181.33/82,045.17
  6. Step 6: Final answer
    x = 39,961.77

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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.