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Finding the Fourth Proportional to 68,065.16, 102,108.65 and 23,704.52

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Solution

The fourth proportional to 68,065.16, 102,108.65 and 23,704.52 is: 35,560.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,065.16 : 102,108.65 = 23,704.52 : x
  2. Step 2: Convert to fraction form
    68,065.16/102,108.65 = 23,704.52/x
  3. Step 3: Cross multiply
    68,065.16x = 102,108.65 × 23,704.52
  4. Step 4: Simplify right side
    68,065.16x = 2,420,435,907.03
  5. Step 5: Solve for x
    x = 2,420,435,907.03/68,065.16
  6. Step 6: Final answer
    x = 35,560.57

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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.