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Finding the Fourth Proportional to 69,685.84, 104,544.96 and 22,939.12

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Solution

The fourth proportional to 69,685.84, 104,544.96 and 22,939.12 is: 34,414.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,685.84 : 104,544.96 = 22,939.12 : x
  2. Step 2: Convert to fraction form
    69,685.84/104,544.96 = 22,939.12/x
  3. Step 3: Cross multiply
    69,685.84x = 104,544.96 × 22,939.12
  4. Step 4: Simplify right side
    69,685.84x = 2,398,169,382.84
  5. Step 5: Solve for x
    x = 2,398,169,382.84/69,685.84
  6. Step 6: Final answer
    x = 34,414.01

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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.