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Finding the Fourth Proportional to 119,610.07, 165,060.99 and 65,893.91

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Solution

The fourth proportional to 119,610.07, 165,060.99 and 65,893.91 is: 90,933.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,610.07 : 165,060.99 = 65,893.91 : x
  2. Step 2: Convert to fraction form
    119,610.07/165,060.99 = 65,893.91/x
  3. Step 3: Cross multiply
    119,610.07x = 165,060.99 × 65,893.91
  4. Step 4: Simplify right side
    119,610.07x = 10,876,513,194.27
  5. Step 5: Solve for x
    x = 10,876,513,194.27/119,610.07
  6. Step 6: Final answer
    x = 90,933.09

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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.