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Finding the Fourth Proportional to 111,228.39, 166,842.54 and 44,668.51

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Solution

The fourth proportional to 111,228.39, 166,842.54 and 44,668.51 is: 67,002.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,228.39 : 166,842.54 = 44,668.51 : x
  2. Step 2: Convert to fraction form
    111,228.39/166,842.54 = 44,668.51/x
  3. Step 3: Cross multiply
    111,228.39x = 166,842.54 × 44,668.51
  4. Step 4: Simplify right side
    111,228.39x = 7,452,607,249.31
  5. Step 5: Solve for x
    x = 7,452,607,249.31/111,228.39
  6. Step 6: Final answer
    x = 67,002.74

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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.