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Finding the Fourth Proportional to 195,164.88, 269,178.93 and 167,987.21

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Solution

The fourth proportional to 195,164.88, 269,178.93 and 167,987.21 is: 231,694.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,164.88 : 269,178.93 = 167,987.21 : x
  2. Step 2: Convert to fraction form
    195,164.88/269,178.93 = 167,987.21/x
  3. Step 3: Cross multiply
    195,164.88x = 269,178.93 × 167,987.21
  4. Step 4: Simplify right side
    195,164.88x = 45,218,616,095.59
  5. Step 5: Solve for x
    x = 45,218,616,095.59/195,164.88
  6. Step 6: Final answer
    x = 231,694.43

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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.