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Finding the Fourth Proportional to 266,037.12, 367,191.36 and 181,188

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Solution

The fourth proportional to 266,037.12, 367,191.36 and 181,188 is: 250,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,037.12 : 367,191.36 = 181,188 : x
  2. Step 2: Convert to fraction form
    266,037.12/367,191.36 = 181,188/x
  3. Step 3: Cross multiply
    266,037.12x = 367,191.36 × 181,188
  4. Step 4: Simplify right side
    266,037.12x = 66,530,668,135.68
  5. Step 5: Solve for x
    x = 66,530,668,135.68/266,037.12
  6. Step 6: Final answer
    x = 250,080.40

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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.