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Finding the Fourth Proportional to 172,321.93, 237,786.13 and 95,828.64

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Solution

The fourth proportional to 172,321.93, 237,786.13 and 95,828.64 is: 132,233.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,321.93 : 237,786.13 = 95,828.64 : x
  2. Step 2: Convert to fraction form
    172,321.93/237,786.13 = 95,828.64/x
  3. Step 3: Cross multiply
    172,321.93x = 237,786.13 × 95,828.64
  4. Step 4: Simplify right side
    172,321.93x = 22,786,722,683.17
  5. Step 5: Solve for x
    x = 22,786,722,683.17/172,321.93
  6. Step 6: Final answer
    x = 132,233.45

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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.