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Finding the Fourth Proportional to 119,674.54, 165,150.05 and 65,959.59

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Solution

The fourth proportional to 119,674.54, 165,150.05 and 65,959.59 is: 91,023.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,674.54 : 165,150.05 = 65,959.59 : x
  2. Step 2: Convert to fraction form
    119,674.54/165,150.05 = 65,959.59/x
  3. Step 3: Cross multiply
    119,674.54x = 165,150.05 × 65,959.59
  4. Step 4: Simplify right side
    119,674.54x = 10,893,229,256.68
  5. Step 5: Solve for x
    x = 10,893,229,256.68/119,674.54
  6. Step 6: Final answer
    x = 91,023.78

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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.