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Finding the Fourth Proportional to 69,081.64, 103,622.46 and 24,705.70

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Solution

The fourth proportional to 69,081.64, 103,622.46 and 24,705.70 is: 37,058.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,081.64 : 103,622.46 = 24,705.70 : x
  2. Step 2: Convert to fraction form
    69,081.64/103,622.46 = 24,705.70/x
  3. Step 3: Cross multiply
    69,081.64x = 103,622.46 × 24,705.70
  4. Step 4: Simplify right side
    69,081.64x = 2,560,065,410.02
  5. Step 5: Solve for x
    x = 2,560,065,410.02/69,081.64
  6. Step 6: Final answer
    x = 37,058.55

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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.