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Finding the Fourth Proportional to 172,296.72, 237,780.36 and 96,850.08

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Solution

The fourth proportional to 172,296.72, 237,780.36 and 96,850.08 is: 133,659.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,296.72 : 237,780.36 = 96,850.08 : x
  2. Step 2: Convert to fraction form
    172,296.72/237,780.36 = 96,850.08/x
  3. Step 3: Cross multiply
    172,296.72x = 237,780.36 × 96,850.08
  4. Step 4: Simplify right side
    172,296.72x = 23,029,046,888.43
  5. Step 5: Solve for x
    x = 23,029,046,888.43/172,296.72
  6. Step 6: Final answer
    x = 133,659.23

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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.