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Finding the Fourth Proportional to 267,360.12, 401,040.47 and 67,680.49

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Solution

The fourth proportional to 267,360.12, 401,040.47 and 67,680.49 is: 101,520.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,360.12 : 401,040.47 = 67,680.49 : x
  2. Step 2: Convert to fraction form
    267,360.12/401,040.47 = 67,680.49/x
  3. Step 3: Cross multiply
    267,360.12x = 401,040.47 × 67,680.49
  4. Step 4: Simplify right side
    267,360.12x = 27,142,615,519.43
  5. Step 5: Solve for x
    x = 27,142,615,519.43/267,360.12
  6. Step 6: Final answer
    x = 101,520.81

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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.