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Finding the Fourth Proportional to 69,080.45, 103,669.88 and 29,648.84

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Solution

The fourth proportional to 69,080.45, 103,669.88 and 29,648.84 is: 44,494.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,080.45 : 103,669.88 = 29,648.84 : x
  2. Step 2: Convert to fraction form
    69,080.45/103,669.88 = 29,648.84/x
  3. Step 3: Cross multiply
    69,080.45x = 103,669.88 × 29,648.84
  4. Step 4: Simplify right side
    69,080.45x = 3,073,691,018.35
  5. Step 5: Solve for x
    x = 3,073,691,018.35/69,080.45
  6. Step 6: Final answer
    x = 44,494.37

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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.