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Finding the Fourth Proportional to 67,860.85, 101,791.28 and 46,492.49

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Solution

The fourth proportional to 67,860.85, 101,791.28 and 46,492.49 is: 69,738.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,860.85 : 101,791.28 = 46,492.49 : x
  2. Step 2: Convert to fraction form
    67,860.85/101,791.28 = 46,492.49/x
  3. Step 3: Cross multiply
    67,860.85x = 101,791.28 × 46,492.49
  4. Step 4: Simplify right side
    67,860.85x = 4,732,530,067.49
  5. Step 5: Solve for x
    x = 4,732,530,067.49/67,860.85
  6. Step 6: Final answer
    x = 69,738.74

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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.