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Finding the Fourth Proportional to 68,452.16, 102,617.60 and 26,889.60

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Solution

The fourth proportional to 68,452.16, 102,617.60 and 26,889.60 is: 40,310.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,452.16 : 102,617.60 = 26,889.60 : x
  2. Step 2: Convert to fraction form
    68,452.16/102,617.60 = 26,889.60/x
  3. Step 3: Cross multiply
    68,452.16x = 102,617.60 × 26,889.60
  4. Step 4: Simplify right side
    68,452.16x = 2,759,346,216.96
  5. Step 5: Solve for x
    x = 2,759,346,216.96/68,452.16
  6. Step 6: Final answer
    x = 40,310.58

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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.