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Finding the Fourth Proportional to 69,772.84, 104,620.38 and 23,013.16

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Solution

The fourth proportional to 69,772.84, 104,620.38 and 23,013.16 is: 34,506.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,772.84 : 104,620.38 = 23,013.16 : x
  2. Step 2: Convert to fraction form
    69,772.84/104,620.38 = 23,013.16/x
  3. Step 3: Cross multiply
    69,772.84x = 104,620.38 × 23,013.16
  4. Step 4: Simplify right side
    69,772.84x = 2,407,645,544.20
  5. Step 5: Solve for x
    x = 2,407,645,544.20/69,772.84
  6. Step 6: Final answer
    x = 34,506.92

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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.