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Finding the Fourth Proportional to 166,720.52, 250,081.90 and 68,224.52

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Solution

The fourth proportional to 166,720.52, 250,081.90 and 68,224.52 is: 102,337.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,720.52 : 250,081.90 = 68,224.52 : x
  2. Step 2: Convert to fraction form
    166,720.52/250,081.90 = 68,224.52/x
  3. Step 3: Cross multiply
    166,720.52x = 250,081.90 × 68,224.52
  4. Step 4: Simplify right side
    166,720.52x = 17,061,717,588.19
  5. Step 5: Solve for x
    x = 17,061,717,588.19/166,720.52
  6. Step 6: Final answer
    x = 102,337.24

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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.