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Finding the Fourth Proportional to 111,886.44, 167,805.32 and 36,988.89

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Solution

The fourth proportional to 111,886.44, 167,805.32 and 36,988.89 is: 55,475.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,886.44 : 167,805.32 = 36,988.89 : x
  2. Step 2: Convert to fraction form
    111,886.44/167,805.32 = 36,988.89/x
  3. Step 3: Cross multiply
    111,886.44x = 167,805.32 × 36,988.89
  4. Step 4: Simplify right side
    111,886.44x = 6,206,932,337.95
  5. Step 5: Solve for x
    x = 6,206,932,337.95/111,886.44
  6. Step 6: Final answer
    x = 55,475.29

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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.