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Finding the Fourth Proportional to 69,122.82, 103,680.57 and 34,050.63

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Solution

The fourth proportional to 69,122.82, 103,680.57 and 34,050.63 is: 51,074.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,122.82 : 103,680.57 = 34,050.63 : x
  2. Step 2: Convert to fraction form
    69,122.82/103,680.57 = 34,050.63/x
  3. Step 3: Cross multiply
    69,122.82x = 103,680.57 × 34,050.63
  4. Step 4: Simplify right side
    69,122.82x = 3,530,388,727.26
  5. Step 5: Solve for x
    x = 3,530,388,727.26/69,122.82
  6. Step 6: Final answer
    x = 51,074.14

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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.