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Finding the Fourth Proportional to 266,652.73, 367,986.53 and 159,202.72

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Solution

The fourth proportional to 266,652.73, 367,986.53 and 159,202.72 is: 219,703.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,652.73 : 367,986.53 = 159,202.72 : x
  2. Step 2: Convert to fraction form
    266,652.73/367,986.53 = 159,202.72/x
  3. Step 3: Cross multiply
    266,652.73x = 367,986.53 × 159,202.72
  4. Step 4: Simplify right side
    266,652.73x = 58,584,453,863.42
  5. Step 5: Solve for x
    x = 58,584,453,863.42/266,652.73
  6. Step 6: Final answer
    x = 219,703.19

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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.