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Finding the Fourth Proportional to 69,451.79, 104,106.17 and 27,314.78

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Solution

The fourth proportional to 69,451.79, 104,106.17 and 27,314.78 is: 40,944.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,451.79 : 104,106.17 = 27,314.78 : x
  2. Step 2: Convert to fraction form
    69,451.79/104,106.17 = 27,314.78/x
  3. Step 3: Cross multiply
    69,451.79x = 104,106.17 × 27,314.78
  4. Step 4: Simplify right side
    69,451.79x = 2,843,637,253.88
  5. Step 5: Solve for x
    x = 2,843,637,253.88/69,451.79
  6. Step 6: Final answer
    x = 40,944.05

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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.