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Finding the Fourth Proportional to 82,498.86, 123,750.43 and 26,338.92

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Solution

The fourth proportional to 82,498.86, 123,750.43 and 26,338.92 is: 39,509.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,498.86 : 123,750.43 = 26,338.92 : x
  2. Step 2: Convert to fraction form
    82,498.86/123,750.43 = 26,338.92/x
  3. Step 3: Cross multiply
    82,498.86x = 123,750.43 × 26,338.92
  4. Step 4: Simplify right side
    82,498.86x = 3,259,452,919.26
  5. Step 5: Solve for x
    x = 3,259,452,919.26/82,498.86
  6. Step 6: Final answer
    x = 39,509.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.