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Finding the Fourth Proportional to 111,699.95, 167,514.38 and 36,806.13

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Solution

The fourth proportional to 111,699.95, 167,514.38 and 36,806.13 is: 55,197.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,699.95 : 167,514.38 = 36,806.13 : x
  2. Step 2: Convert to fraction form
    111,699.95/167,514.38 = 36,806.13/x
  3. Step 3: Cross multiply
    111,699.95x = 167,514.38 × 36,806.13
  4. Step 4: Simplify right side
    111,699.95x = 6,165,556,001.14
  5. Step 5: Solve for x
    x = 6,165,556,001.14/111,699.95
  6. Step 6: Final answer
    x = 55,197.48

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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.