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Finding the Fourth Proportional to 80,246.91, 110,776.50 and 53,039.39

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Solution

The fourth proportional to 80,246.91, 110,776.50 and 53,039.39 is: 73,217.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,246.91 : 110,776.50 = 53,039.39 : x
  2. Step 2: Convert to fraction form
    80,246.91/110,776.50 = 53,039.39/x
  3. Step 3: Cross multiply
    80,246.91x = 110,776.50 × 53,039.39
  4. Step 4: Simplify right side
    80,246.91x = 5,875,517,432.45
  5. Step 5: Solve for x
    x = 5,875,517,432.45/80,246.91
  6. Step 6: Final answer
    x = 73,217.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.