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Finding the Fourth Proportional to 68,992.26, 103,499.13 and 22,249.86

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Solution

The fourth proportional to 68,992.26, 103,499.13 and 22,249.86 is: 33,378.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,992.26 : 103,499.13 = 22,249.86 : x
  2. Step 2: Convert to fraction form
    68,992.26/103,499.13 = 22,249.86/x
  3. Step 3: Cross multiply
    68,992.26x = 103,499.13 × 22,249.86
  4. Step 4: Simplify right side
    68,992.26x = 2,302,841,152.62
  5. Step 5: Solve for x
    x = 2,302,841,152.62/68,992.26
  6. Step 6: Final answer
    x = 33,378.25

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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.