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Finding the Fourth Proportional to 111,993.33, 167,595.20 and 69,893.13

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Solution

The fourth proportional to 111,993.33, 167,595.20 and 69,893.13 is: 104,593.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,993.33 : 167,595.20 = 69,893.13 : x
  2. Step 2: Convert to fraction form
    111,993.33/167,595.20 = 69,893.13/x
  3. Step 3: Cross multiply
    111,993.33x = 167,595.20 × 69,893.13
  4. Step 4: Simplify right side
    111,993.33x = 11,713,752,895.94
  5. Step 5: Solve for x
    x = 11,713,752,895.94/111,993.33
  6. Step 6: Final answer
    x = 104,593.30

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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.