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Finding the Fourth Proportional to 267,229.17, 368,771.70 and 144,720.56

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Solution

The fourth proportional to 267,229.17, 368,771.70 and 144,720.56 is: 199,711.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,229.17 : 368,771.70 = 144,720.56 : x
  2. Step 2: Convert to fraction form
    267,229.17/368,771.70 = 144,720.56/x
  3. Step 3: Cross multiply
    267,229.17x = 368,771.70 × 144,720.56
  4. Step 4: Simplify right side
    267,229.17x = 53,368,844,820.94
  5. Step 5: Solve for x
    x = 53,368,844,820.94/267,229.17
  6. Step 6: Final answer
    x = 199,711.90

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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.