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Finding the Fourth Proportional to 82,669.50, 124,023.69 and 27,265.50

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Solution

The fourth proportional to 82,669.50, 124,023.69 and 27,265.50 is: 40,904.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,669.50 : 124,023.69 = 27,265.50 : x
  2. Step 2: Convert to fraction form
    82,669.50/124,023.69 = 27,265.50/x
  3. Step 3: Cross multiply
    82,669.50x = 124,023.69 × 27,265.50
  4. Step 4: Simplify right side
    82,669.50x = 3,381,567,919.70
  5. Step 5: Solve for x
    x = 3,381,567,919.70/82,669.50
  6. Step 6: Final answer
    x = 40,904.66

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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.