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Finding the Fourth Proportional to 110,145.77, 165,218.82 and 27,039.77

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Solution

The fourth proportional to 110,145.77, 165,218.82 and 27,039.77 is: 40,559.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,145.77 : 165,218.82 = 27,039.77 : x
  2. Step 2: Convert to fraction form
    110,145.77/165,218.82 = 27,039.77/x
  3. Step 3: Cross multiply
    110,145.77x = 165,218.82 × 27,039.77
  4. Step 4: Simplify right side
    110,145.77x = 4,467,478,757.27
  5. Step 5: Solve for x
    x = 4,467,478,757.27/110,145.77
  6. Step 6: Final answer
    x = 40,559.69

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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.