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Finding the Fourth Proportional to 266,584.62, 367,885.92 and 145,725.92

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Solution

The fourth proportional to 266,584.62, 367,885.92 and 145,725.92 is: 201,101.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,584.62 : 367,885.92 = 145,725.92 : x
  2. Step 2: Convert to fraction form
    266,584.62/367,885.92 = 145,725.92/x
  3. Step 3: Cross multiply
    266,584.62x = 367,885.92 × 145,725.92
  4. Step 4: Simplify right side
    266,584.62x = 53,610,514,147.05
  5. Step 5: Solve for x
    x = 53,610,514,147.05/266,584.62
  6. Step 6: Final answer
    x = 201,101.30

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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.