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Finding the Fourth Proportional to 68,282.88, 94,225.92 and 38,469.12

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Solution

The fourth proportional to 68,282.88, 94,225.92 and 38,469.12 is: 53,084.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,282.88 : 94,225.92 = 38,469.12 : x
  2. Step 2: Convert to fraction form
    68,282.88/94,225.92 = 38,469.12/x
  3. Step 3: Cross multiply
    68,282.88x = 94,225.92 × 38,469.12
  4. Step 4: Simplify right side
    68,282.88x = 3,624,788,223.59
  5. Step 5: Solve for x
    x = 3,624,788,223.59/68,282.88
  6. Step 6: Final answer
    x = 53,084.88

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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.