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Finding the Fourth Proportional to 267,161.45, 368,691.12 and 146,314.19

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Solution

The fourth proportional to 267,161.45, 368,691.12 and 146,314.19 is: 201,918.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,161.45 : 368,691.12 = 146,314.19 : x
  2. Step 2: Convert to fraction form
    267,161.45/368,691.12 = 146,314.19/x
  3. Step 3: Cross multiply
    267,161.45x = 368,691.12 × 146,314.19
  4. Step 4: Simplify right side
    267,161.45x = 53,944,743,504.72
  5. Step 5: Solve for x
    x = 53,944,743,504.72/267,161.45
  6. Step 6: Final answer
    x = 201,918.15

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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.