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Finding the Fourth Proportional to 111,661.26, 167,458.58 and 36,767.58

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Solution

The fourth proportional to 111,661.26, 167,458.58 and 36,767.58 is: 55,140.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,661.26 : 167,458.58 = 36,767.58 : x
  2. Step 2: Convert to fraction form
    111,661.26/167,458.58 = 36,767.58/x
  3. Step 3: Cross multiply
    111,661.26x = 167,458.58 × 36,767.58
  4. Step 4: Simplify right side
    111,661.26x = 6,157,046,736.84
  5. Step 5: Solve for x
    x = 6,157,046,736.84/111,661.26
  6. Step 6: Final answer
    x = 55,140.40

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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.