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Finding the Fourth Proportional to 68,080.32, 101,945.51 and 41,705.10

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Solution

The fourth proportional to 68,080.32, 101,945.51 and 41,705.10 is: 62,450.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,080.32 : 101,945.51 = 41,705.10 : x
  2. Step 2: Convert to fraction form
    68,080.32/101,945.51 = 41,705.10/x
  3. Step 3: Cross multiply
    68,080.32x = 101,945.51 × 41,705.10
  4. Step 4: Simplify right side
    68,080.32x = 4,251,647,689.10
  5. Step 5: Solve for x
    x = 4,251,647,689.10/68,080.32
  6. Step 6: Final answer
    x = 62,450.47

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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.