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Finding the Fourth Proportional to 69,169.84, 103,754.40 and 44,147.68

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Solution

The fourth proportional to 69,169.84, 103,754.40 and 44,147.68 is: 66,221.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,169.84 : 103,754.40 = 44,147.68 : x
  2. Step 2: Convert to fraction form
    69,169.84/103,754.40 = 44,147.68/x
  3. Step 3: Cross multiply
    69,169.84x = 103,754.40 × 44,147.68
  4. Step 4: Simplify right side
    69,169.84x = 4,580,516,049.79
  5. Step 5: Solve for x
    x = 4,580,516,049.79/69,169.84
  6. Step 6: Final answer
    x = 66,221.29

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1.5x scale

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.