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Finding the Fourth Proportional to 267,072.79, 368,560.56 and 146,221.90

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Solution

The fourth proportional to 267,072.79, 368,560.56 and 146,221.90 is: 201,786.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,072.79 : 368,560.56 = 146,221.90 : x
  2. Step 2: Convert to fraction form
    267,072.79/368,560.56 = 146,221.90/x
  3. Step 3: Cross multiply
    267,072.79x = 368,560.56 × 146,221.90
  4. Step 4: Simplify right side
    267,072.79x = 53,891,625,348.26
  5. Step 5: Solve for x
    x = 53,891,625,348.26/267,072.79
  6. Step 6: Final answer
    x = 201,786.28

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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.