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Finding the Fourth Proportional to 111,405.17, 167,066.17 and 44,822.81

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Solution

The fourth proportional to 111,405.17, 167,066.17 and 44,822.81 is: 67,217.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,405.17 : 167,066.17 = 44,822.81 : x
  2. Step 2: Convert to fraction form
    111,405.17/167,066.17 = 44,822.81/x
  3. Step 3: Cross multiply
    111,405.17x = 167,066.17 × 44,822.81
  4. Step 4: Simplify right side
    111,405.17x = 7,488,375,195.34
  5. Step 5: Solve for x
    x = 7,488,375,195.34/111,405.17
  6. Step 6: Final answer
    x = 67,217.48

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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.