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Finding the Fourth Proportional to 80,667.62, 111,324 and 44,370.60

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Solution

The fourth proportional to 80,667.62, 111,324 and 44,370.60 is: 61,232.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,667.62 : 111,324 = 44,370.60 : x
  2. Step 2: Convert to fraction form
    80,667.62/111,324 = 44,370.60/x
  3. Step 3: Cross multiply
    80,667.62x = 111,324 × 44,370.60
  4. Step 4: Simplify right side
    80,667.62x = 4,939,512,117.78
  5. Step 5: Solve for x
    x = 4,939,512,117.78/80,667.62
  6. Step 6: Final answer
    x = 61,232.90

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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.