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Finding the Fourth Proportional to 188,613.89, 260,223.41 and 106,933.38

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Solution

The fourth proportional to 188,613.89, 260,223.41 and 106,933.38 is: 147,531.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,613.89 : 260,223.41 = 106,933.38 : x
  2. Step 2: Convert to fraction form
    188,613.89/260,223.41 = 106,933.38/x
  3. Step 3: Cross multiply
    188,613.89x = 260,223.41 × 106,933.38
  4. Step 4: Simplify right side
    188,613.89x = 27,826,568,251.76
  5. Step 5: Solve for x
    x = 27,826,568,251.76/188,613.89
  6. Step 6: Final answer
    x = 147,531.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.