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Finding the Fourth Proportional to 164,391.03, 226,859.67 and 92,786.22

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Solution

The fourth proportional to 164,391.03, 226,859.67 and 92,786.22 is: 128,045.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,391.03 : 226,859.67 = 92,786.22 : x
  2. Step 2: Convert to fraction form
    164,391.03/226,859.67 = 92,786.22/x
  3. Step 3: Cross multiply
    164,391.03x = 226,859.67 × 92,786.22
  4. Step 4: Simplify right side
    164,391.03x = 21,049,451,249.75
  5. Step 5: Solve for x
    x = 21,049,451,249.75/164,391.03
  6. Step 6: Final answer
    x = 128,045.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.