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Finding the Fourth Proportional to 67,376.78, 101,065.46 and 17,453.32

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Solution

The fourth proportional to 67,376.78, 101,065.46 and 17,453.32 is: 26,180.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,376.78 : 101,065.46 = 17,453.32 : x
  2. Step 2: Convert to fraction form
    67,376.78/101,065.46 = 17,453.32/x
  3. Step 3: Cross multiply
    67,376.78x = 101,065.46 × 17,453.32
  4. Step 4: Simplify right side
    67,376.78x = 1,763,927,814.33
  5. Step 5: Solve for x
    x = 1,763,927,814.33/67,376.78
  6. Step 6: Final answer
    x = 26,180.06

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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.