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Finding the Fourth Proportional to 102,224.93, 141,121.31 and 79,203.11

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Solution

The fourth proportional to 102,224.93, 141,121.31 and 79,203.11 is: 109,339.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,224.93 : 141,121.31 = 79,203.11 : x
  2. Step 2: Convert to fraction form
    102,224.93/141,121.31 = 79,203.11/x
  3. Step 3: Cross multiply
    102,224.93x = 141,121.31 × 79,203.11
  4. Step 4: Simplify right side
    102,224.93x = 11,177,245,537.65
  5. Step 5: Solve for x
    x = 11,177,245,537.65/102,224.93
  6. Step 6: Final answer
    x = 109,339.73

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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.