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Finding the Fourth Proportional to 68,999.25, 103,410.57 and 35,713.11

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Solution

The fourth proportional to 68,999.25, 103,410.57 and 35,713.11 is: 53,523.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,999.25 : 103,410.57 = 35,713.11 : x
  2. Step 2: Convert to fraction form
    68,999.25/103,410.57 = 35,713.11/x
  3. Step 3: Cross multiply
    68,999.25x = 103,410.57 × 35,713.11
  4. Step 4: Simplify right side
    68,999.25x = 3,693,113,061.57
  5. Step 5: Solve for x
    x = 3,693,113,061.57/68,999.25
  6. Step 6: Final answer
    x = 53,523.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.