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Finding the Fourth Proportional to 159,223.46, 238,514.63 and 73,713.79

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Solution

The fourth proportional to 159,223.46, 238,514.63 and 73,713.79 is: 110,422.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,223.46 : 238,514.63 = 73,713.79 : x
  2. Step 2: Convert to fraction form
    159,223.46/238,514.63 = 73,713.79/x
  3. Step 3: Cross multiply
    159,223.46x = 238,514.63 × 73,713.79
  4. Step 4: Simplify right side
    159,223.46x = 17,581,816,935.75
  5. Step 5: Solve for x
    x = 17,581,816,935.75/159,223.46
  6. Step 6: Final answer
    x = 110,422.27

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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.