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Finding the Fourth Proportional to 119,676.54, 165,154.77 and 65,963.62

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Solution

The fourth proportional to 119,676.54, 165,154.77 and 65,963.62 is: 91,030.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,676.54 : 165,154.77 = 65,963.62 : x
  2. Step 2: Convert to fraction form
    119,676.54/165,154.77 = 65,963.62/x
  3. Step 3: Cross multiply
    119,676.54x = 165,154.77 × 65,963.62
  4. Step 4: Simplify right side
    119,676.54x = 10,894,205,952.44
  5. Step 5: Solve for x
    x = 10,894,205,952.44/119,676.54
  6. Step 6: Final answer
    x = 91,030.42

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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.