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Finding the Fourth Proportional to 192,886.43, 266,691.20 and 168,944.40

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Solution

The fourth proportional to 192,886.43, 266,691.20 and 168,944.40 is: 233,588.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,886.43 : 266,691.20 = 168,944.40 : x
  2. Step 2: Convert to fraction form
    192,886.43/266,691.20 = 168,944.40/x
  3. Step 3: Cross multiply
    192,886.43x = 266,691.20 × 168,944.40
  4. Step 4: Simplify right side
    192,886.43x = 45,055,983,924.56
  5. Step 5: Solve for x
    x = 45,055,983,924.56/192,886.43
  6. Step 6: Final answer
    x = 233,588.15

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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.