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Finding the Fourth Proportional to 119,673.96, 165,103.77 and 68,668.26

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Solution

The fourth proportional to 119,673.96, 165,103.77 and 68,668.26 is: 94,735.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,673.96 : 165,103.77 = 68,668.26 : x
  2. Step 2: Convert to fraction form
    119,673.96/165,103.77 = 68,668.26/x
  3. Step 3: Cross multiply
    119,673.96x = 165,103.77 × 68,668.26
  4. Step 4: Simplify right side
    119,673.96x = 11,337,387,857.45
  5. Step 5: Solve for x
    x = 11,337,387,857.45/119,673.96
  6. Step 6: Final answer
    x = 94,735.63

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1.5x scale

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.