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Finding the Fourth Proportional to 68,713.98, 103,083.18 and 35,425.14

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Solution

The fourth proportional to 68,713.98, 103,083.18 and 35,425.14 is: 53,144.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,713.98 : 103,083.18 = 35,425.14 : x
  2. Step 2: Convert to fraction form
    68,713.98/103,083.18 = 35,425.14/x
  3. Step 3: Cross multiply
    68,713.98x = 103,083.18 × 35,425.14
  4. Step 4: Simplify right side
    68,713.98x = 3,651,736,083.15
  5. Step 5: Solve for x
    x = 3,651,736,083.15/68,713.98
  6. Step 6: Final answer
    x = 53,144.00

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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.