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Finding the Fourth Proportional to 111,223.30, 166,844.19 and 36,341.86

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Solution

The fourth proportional to 111,223.30, 166,844.19 and 36,341.86 is: 54,515.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,223.30 : 166,844.19 = 36,341.86 : x
  2. Step 2: Convert to fraction form
    111,223.30/166,844.19 = 36,341.86/x
  3. Step 3: Cross multiply
    111,223.30x = 166,844.19 × 36,341.86
  4. Step 4: Simplify right side
    111,223.30x = 6,063,428,194.79
  5. Step 5: Solve for x
    x = 6,063,428,194.79/111,223.30
  6. Step 6: Final answer
    x = 54,515.81

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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.