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Finding the Fourth Proportional to 67,150, 92,669.04 and 36,933.76

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Solution

The fourth proportional to 67,150, 92,669.04 and 36,933.76 is: 50,969.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,150 : 92,669.04 = 36,933.76 : x
  2. Step 2: Convert to fraction form
    67,150/92,669.04 = 36,933.76/x
  3. Step 3: Cross multiply
    67,150x = 92,669.04 × 36,933.76
  4. Step 4: Simplify right side
    67,150x = 3,422,616,082.79
  5. Step 5: Solve for x
    x = 3,422,616,082.79/67,150
  6. Step 6: Final answer
    x = 50,969.71

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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.