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Finding the Fourth Proportional to 69,164.01, 103,772.15 and 27,074.17

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Solution

The fourth proportional to 69,164.01, 103,772.15 and 27,074.17 is: 40,621.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,164.01 : 103,772.15 = 27,074.17 : x
  2. Step 2: Convert to fraction form
    69,164.01/103,772.15 = 27,074.17/x
  3. Step 3: Cross multiply
    69,164.01x = 103,772.15 × 27,074.17
  4. Step 4: Simplify right side
    69,164.01x = 2,809,544,311.50
  5. Step 5: Solve for x
    x = 2,809,544,311.50/69,164.01
  6. Step 6: Final answer
    x = 40,621.48

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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.