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Finding the Fourth Proportional to 133,294.87, 183,950.44 and 79,610.85

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Solution

The fourth proportional to 133,294.87, 183,950.44 and 79,610.85 is: 109,865.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,294.87 : 183,950.44 = 79,610.85 : x
  2. Step 2: Convert to fraction form
    133,294.87/183,950.44 = 79,610.85/x
  3. Step 3: Cross multiply
    133,294.87x = 183,950.44 × 79,610.85
  4. Step 4: Simplify right side
    133,294.87x = 14,644,451,135.06
  5. Step 5: Solve for x
    x = 14,644,451,135.06/133,294.87
  6. Step 6: Final answer
    x = 109,865.08

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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.