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Finding the Fourth Proportional to 169,479.97, 254,221.46 and 43,120.37

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Solution

The fourth proportional to 169,479.97, 254,221.46 and 43,120.37 is: 64,680.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,479.97 : 254,221.46 = 43,120.37 : x
  2. Step 2: Convert to fraction form
    169,479.97/254,221.46 = 43,120.37/x
  3. Step 3: Cross multiply
    169,479.97x = 254,221.46 × 43,120.37
  4. Step 4: Simplify right side
    169,479.97x = 10,962,123,417.14
  5. Step 5: Solve for x
    x = 10,962,123,417.14/169,479.97
  6. Step 6: Final answer
    x = 64,680.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.