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Finding the Fourth Proportional to 68,803.46, 94,949.56 and 38,177.11

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Solution

The fourth proportional to 68,803.46, 94,949.56 and 38,177.11 is: 52,684.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,803.46 : 94,949.56 = 38,177.11 : x
  2. Step 2: Convert to fraction form
    68,803.46/94,949.56 = 38,177.11/x
  3. Step 3: Cross multiply
    68,803.46x = 94,949.56 × 38,177.11
  4. Step 4: Simplify right side
    68,803.46x = 3,624,899,796.57
  5. Step 5: Solve for x
    x = 3,624,899,796.57/68,803.46
  6. Step 6: Final answer
    x = 52,684.85

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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.