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Finding the Fourth Proportional to 299,192.88, 412,884.21 and 170,131.37

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Solution

The fourth proportional to 299,192.88, 412,884.21 and 170,131.37 is: 234,780.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,192.88 : 412,884.21 = 170,131.37 : x
  2. Step 2: Convert to fraction form
    299,192.88/412,884.21 = 170,131.37/x
  3. Step 3: Cross multiply
    299,192.88x = 412,884.21 × 170,131.37
  4. Step 4: Simplify right side
    299,192.88x = 70,244,557,194.71
  5. Step 5: Solve for x
    x = 70,244,557,194.71/299,192.88
  6. Step 6: Final answer
    x = 234,780.17

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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.