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Finding the Fourth Proportional to 111,367.14, 167,081.80 and 36,539.91

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Solution

The fourth proportional to 111,367.14, 167,081.80 and 36,539.91 is: 54,820.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,367.14 : 167,081.80 = 36,539.91 : x
  2. Step 2: Convert to fraction form
    111,367.14/167,081.80 = 36,539.91/x
  3. Step 3: Cross multiply
    111,367.14x = 167,081.80 × 36,539.91
  4. Step 4: Simplify right side
    111,367.14x = 6,105,153,934.64
  5. Step 5: Solve for x
    x = 6,105,153,934.64/111,367.14
  6. Step 6: Final answer
    x = 54,820.07

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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.