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Finding the Fourth Proportional to 192,910.32, 266,164.80 and 124,948.08

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Solution

The fourth proportional to 192,910.32, 266,164.80 and 124,948.08 is: 172,395.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,910.32 : 266,164.80 = 124,948.08 : x
  2. Step 2: Convert to fraction form
    192,910.32/266,164.80 = 124,948.08/x
  3. Step 3: Cross multiply
    192,910.32x = 266,164.80 × 124,948.08
  4. Step 4: Simplify right side
    192,910.32x = 33,256,780,723.58
  5. Step 5: Solve for x
    x = 33,256,780,723.58/192,910.32
  6. Step 6: Final answer
    x = 172,395.03

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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.