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Finding the Fourth Proportional to 68,083.25, 93,954.89 and 38,275.25

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Solution

The fourth proportional to 68,083.25, 93,954.89 and 38,275.25 is: 52,819.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,083.25 : 93,954.89 = 38,275.25 : x
  2. Step 2: Convert to fraction form
    68,083.25/93,954.89 = 38,275.25/x
  3. Step 3: Cross multiply
    68,083.25x = 93,954.89 × 38,275.25
  4. Step 4: Simplify right side
    68,083.25x = 3,596,146,712.10
  5. Step 5: Solve for x
    x = 3,596,146,712.10/68,083.25
  6. Step 6: Final answer
    x = 52,819.85

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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.