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Finding the Fourth Proportional to 266,062.59, 367,174.07 and 145,211.58

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Solution

The fourth proportional to 266,062.59, 367,174.07 and 145,211.58 is: 200,396.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,062.59 : 367,174.07 = 145,211.58 : x
  2. Step 2: Convert to fraction form
    266,062.59/367,174.07 = 145,211.58/x
  3. Step 3: Cross multiply
    266,062.59x = 367,174.07 × 145,211.58
  4. Step 4: Simplify right side
    266,062.59x = 53,317,926,839.73
  5. Step 5: Solve for x
    x = 53,317,926,839.73/266,062.59
  6. Step 6: Final answer
    x = 200,396.18

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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.