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Finding the Fourth Proportional to 119,894.48, 165,453.47 and 66,179.49

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Solution

The fourth proportional to 119,894.48, 165,453.47 and 66,179.49 is: 91,327.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,894.48 : 165,453.47 = 66,179.49 : x
  2. Step 2: Convert to fraction form
    119,894.48/165,453.47 = 66,179.49/x
  3. Step 3: Cross multiply
    119,894.48x = 165,453.47 × 66,179.49
  4. Step 4: Simplify right side
    119,894.48x = 10,949,626,263.33
  5. Step 5: Solve for x
    x = 10,949,626,263.33/119,894.48
  6. Step 6: Final answer
    x = 91,327.19

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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.