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Finding the Fourth Proportional to 119,698.26, 165,181.56 and 65,988.27

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Solution

The fourth proportional to 119,698.26, 165,181.56 and 65,988.27 is: 91,062.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,698.26 : 165,181.56 = 65,988.27 : x
  2. Step 2: Convert to fraction form
    119,698.26/165,181.56 = 65,988.27/x
  3. Step 3: Cross multiply
    119,698.26x = 165,181.56 × 65,988.27
  4. Step 4: Simplify right side
    119,698.26x = 10,900,045,380.30
  5. Step 5: Solve for x
    x = 10,900,045,380.30/119,698.26
  6. Step 6: Final answer
    x = 91,062.69

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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.