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Finding the Fourth Proportional to 68,448.90, 94,450.15 and 38,230.37

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Solution

The fourth proportional to 68,448.90, 94,450.15 and 38,230.37 is: 52,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,448.90 : 94,450.15 = 38,230.37 : x
  2. Step 2: Convert to fraction form
    68,448.90/94,450.15 = 38,230.37/x
  3. Step 3: Cross multiply
    68,448.90x = 94,450.15 × 38,230.37
  4. Step 4: Simplify right side
    68,448.90x = 3,610,864,181.06
  5. Step 5: Solve for x
    x = 3,610,864,181.06/68,448.90
  6. Step 6: Final answer
    x = 52,752.70

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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.