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Finding the Fourth Proportional to 111,774.09, 167,669.30 and 36,891.21

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Solution

The fourth proportional to 111,774.09, 167,669.30 and 36,891.21 is: 55,339.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,774.09 : 167,669.30 = 36,891.21 : x
  2. Step 2: Convert to fraction form
    111,774.09/167,669.30 = 36,891.21/x
  3. Step 3: Cross multiply
    111,774.09x = 167,669.30 × 36,891.21
  4. Step 4: Simplify right side
    111,774.09x = 6,185,523,356.85
  5. Step 5: Solve for x
    x = 6,185,523,356.85/111,774.09
  6. Step 6: Final answer
    x = 55,339.51

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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.