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Finding the Fourth Proportional to 119,268.52, 164,593.69 and 65,554.96

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Solution

The fourth proportional to 119,268.52, 164,593.69 and 65,554.96 is: 90,467.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,268.52 : 164,593.69 = 65,554.96 : x
  2. Step 2: Convert to fraction form
    119,268.52/164,593.69 = 65,554.96/x
  3. Step 3: Cross multiply
    119,268.52x = 164,593.69 × 65,554.96
  4. Step 4: Simplify right side
    119,268.52x = 10,789,932,764.20
  5. Step 5: Solve for x
    x = 10,789,932,764.20/119,268.52
  6. Step 6: Final answer
    x = 90,467.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.