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Finding the Fourth Proportional to 101,189.67, 151,791.84 and 38,860.17

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Solution

The fourth proportional to 101,189.67, 151,791.84 and 38,860.17 is: 58,293.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,189.67 : 151,791.84 = 38,860.17 : x
  2. Step 2: Convert to fraction form
    101,189.67/151,791.84 = 38,860.17/x
  3. Step 3: Cross multiply
    101,189.67x = 151,791.84 × 38,860.17
  4. Step 4: Simplify right side
    101,189.67x = 5,898,656,707.01
  5. Step 5: Solve for x
    x = 5,898,656,707.01/101,189.67
  6. Step 6: Final answer
    x = 58,293.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.