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Finding the Fourth Proportional to 133,045.67, 199,395.23 and 54,067.56

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Solution

The fourth proportional to 133,045.67, 199,395.23 and 54,067.56 is: 81,030.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,045.67 : 199,395.23 = 54,067.56 : x
  2. Step 2: Convert to fraction form
    133,045.67/199,395.23 = 54,067.56/x
  3. Step 3: Cross multiply
    133,045.67x = 199,395.23 × 54,067.56
  4. Step 4: Simplify right side
    133,045.67x = 10,780,813,561.74
  5. Step 5: Solve for x
    x = 10,780,813,561.74/133,045.67
  6. Step 6: Final answer
    x = 81,030.92

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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.