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Finding the Fourth Proportional to 119,744.88, 165,244.32 and 66,029.88

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Solution

The fourth proportional to 119,744.88, 165,244.32 and 66,029.88 is: 91,119.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,744.88 : 165,244.32 = 66,029.88 : x
  2. Step 2: Convert to fraction form
    119,744.88/165,244.32 = 66,029.88/x
  3. Step 3: Cross multiply
    119,744.88x = 165,244.32 × 66,029.88
  4. Step 4: Simplify right side
    119,744.88x = 10,911,062,620.28
  5. Step 5: Solve for x
    x = 10,911,062,620.28/119,744.88
  6. Step 6: Final answer
    x = 91,119.24

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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.