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Finding the Fourth Proportional to 266,065.96, 367,217.86 and 158,642.60

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Solution

The fourth proportional to 266,065.96, 367,217.86 and 158,642.60 is: 218,954.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,065.96 : 367,217.86 = 158,642.60 : x
  2. Step 2: Convert to fraction form
    266,065.96/367,217.86 = 158,642.60/x
  3. Step 3: Cross multiply
    266,065.96x = 367,217.86 × 158,642.60
  4. Step 4: Simplify right side
    266,065.96x = 58,256,396,076.84
  5. Step 5: Solve for x
    x = 58,256,396,076.84/266,065.96
  6. Step 6: Final answer
    x = 218,954.71

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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.