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Finding the Fourth Proportional to 82,168.82, 123,240.86 and 26,001.62

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Solution

The fourth proportional to 82,168.82, 123,240.86 and 26,001.62 is: 38,998.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,168.82 : 123,240.86 = 26,001.62 : x
  2. Step 2: Convert to fraction form
    82,168.82/123,240.86 = 26,001.62/x
  3. Step 3: Cross multiply
    82,168.82x = 123,240.86 × 26,001.62
  4. Step 4: Simplify right side
    82,168.82x = 3,204,462,188.29
  5. Step 5: Solve for x
    x = 3,204,462,188.29/82,168.82
  6. Step 6: Final answer
    x = 38,998.52

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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.