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Finding the Fourth Proportional to 68,385.34, 94,371.42 and 38,168.92

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Solution

The fourth proportional to 68,385.34, 94,371.42 and 38,168.92 is: 52,672.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,385.34 : 94,371.42 = 38,168.92 : x
  2. Step 2: Convert to fraction form
    68,385.34/94,371.42 = 38,168.92/x
  3. Step 3: Cross multiply
    68,385.34x = 94,371.42 × 38,168.92
  4. Step 4: Simplify right side
    68,385.34x = 3,602,055,180.27
  5. Step 5: Solve for x
    x = 3,602,055,180.27/68,385.34
  6. Step 6: Final answer
    x = 52,672.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.