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Finding the Fourth Proportional to 69,334.80, 104,002.20 and 62,077.20

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Solution

The fourth proportional to 69,334.80, 104,002.20 and 62,077.20 is: 93,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,334.80 : 104,002.20 = 62,077.20 : x
  2. Step 2: Convert to fraction form
    69,334.80/104,002.20 = 62,077.20/x
  3. Step 3: Cross multiply
    69,334.80x = 104,002.20 × 62,077.20
  4. Step 4: Simplify right side
    69,334.80x = 6,456,165,369.84
  5. Step 5: Solve for x
    x = 6,456,165,369.84/69,334.80
  6. Step 6: Final answer
    x = 93,115.80

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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.