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Finding the Fourth Proportional to 111,767.85, 167,631.93 and 36,889.02

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Solution

The fourth proportional to 111,767.85, 167,631.93 and 36,889.02 is: 55,326.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,767.85 : 167,631.93 = 36,889.02 : x
  2. Step 2: Convert to fraction form
    111,767.85/167,631.93 = 36,889.02/x
  3. Step 3: Cross multiply
    111,767.85x = 167,631.93 × 36,889.02
  4. Step 4: Simplify right side
    111,767.85x = 6,183,777,618.41
  5. Step 5: Solve for x
    x = 6,183,777,618.41/111,767.85
  6. Step 6: Final answer
    x = 55,326.98

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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.