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Finding the Fourth Proportional to 68,768.68, 103,168.14 and 22,026.28

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Solution

The fourth proportional to 68,768.68, 103,168.14 and 22,026.28 is: 33,044.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,768.68 : 103,168.14 = 22,026.28 : x
  2. Step 2: Convert to fraction form
    68,768.68/103,168.14 = 22,026.28/x
  3. Step 3: Cross multiply
    68,768.68x = 103,168.14 × 22,026.28
  4. Step 4: Simplify right side
    68,768.68x = 2,272,410,338.72
  5. Step 5: Solve for x
    x = 2,272,410,338.72/68,768.68
  6. Step 6: Final answer
    x = 33,044.26

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1.5x scale

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.