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Finding the Fourth Proportional to 109,774.56, 164,661.96 and 26,668.56

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Solution

The fourth proportional to 109,774.56, 164,661.96 and 26,668.56 is: 40,002.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,774.56 : 164,661.96 = 26,668.56 : x
  2. Step 2: Convert to fraction form
    109,774.56/164,661.96 = 26,668.56/x
  3. Step 3: Cross multiply
    109,774.56x = 164,661.96 × 26,668.56
  4. Step 4: Simplify right side
    109,774.56x = 4,391,297,359.98
  5. Step 5: Solve for x
    x = 4,391,297,359.98/109,774.56
  6. Step 6: Final answer
    x = 40,002.87

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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.