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Finding the Fourth Proportional to 267,191.12, 400,749.41 and 67,499.12

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Solution

The fourth proportional to 267,191.12, 400,749.41 and 67,499.12 is: 101,239.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,191.12 : 400,749.41 = 67,499.12 : x
  2. Step 2: Convert to fraction form
    267,191.12/400,749.41 = 67,499.12/x
  3. Step 3: Cross multiply
    267,191.12x = 400,749.41 × 67,499.12
  4. Step 4: Simplify right side
    267,191.12x = 27,050,232,515.52
  5. Step 5: Solve for x
    x = 27,050,232,515.52/267,191.12
  6. Step 6: Final answer
    x = 101,239.26

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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.