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Finding the Fourth Proportional to 119,383.27, 164,745.45 and 65,668.28

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Solution

The fourth proportional to 119,383.27, 164,745.45 and 65,668.28 is: 90,620.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,383.27 : 164,745.45 = 65,668.28 : x
  2. Step 2: Convert to fraction form
    119,383.27/164,745.45 = 65,668.28/x
  3. Step 3: Cross multiply
    119,383.27x = 164,745.45 × 65,668.28
  4. Step 4: Simplify right side
    119,383.27x = 10,818,550,339.33
  5. Step 5: Solve for x
    x = 10,818,550,339.33/119,383.27
  6. Step 6: Final answer
    x = 90,620.32

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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.