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Finding the Fourth Proportional to 111,513.22, 167,302.66 and 44,919.08

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Solution

The fourth proportional to 111,513.22, 167,302.66 and 44,919.08 is: 67,391.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,513.22 : 167,302.66 = 44,919.08 : x
  2. Step 2: Convert to fraction form
    111,513.22/167,302.66 = 44,919.08/x
  3. Step 3: Cross multiply
    111,513.22x = 167,302.66 × 44,919.08
  4. Step 4: Simplify right side
    111,513.22x = 7,515,081,568.75
  5. Step 5: Solve for x
    x = 7,515,081,568.75/111,513.22
  6. Step 6: Final answer
    x = 67,391.84

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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.