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Finding the Fourth Proportional to 266,589.39, 367,893.24 and 145,731.15

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Solution

The fourth proportional to 266,589.39, 367,893.24 and 145,731.15 is: 201,108.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,589.39 : 367,893.24 = 145,731.15 : x
  2. Step 2: Convert to fraction form
    266,589.39/367,893.24 = 145,731.15/x
  3. Step 3: Cross multiply
    266,589.39x = 367,893.24 × 145,731.15
  4. Step 4: Simplify right side
    266,589.39x = 53,613,504,942.43
  5. Step 5: Solve for x
    x = 53,613,504,942.43/266,589.39
  6. Step 6: Final answer
    x = 201,108.92

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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.