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Finding the Fourth Proportional to 172,849.97, 238,524.41 and 97,403.33

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Solution

The fourth proportional to 172,849.97, 238,524.41 and 97,403.33 is: 134,411.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,849.97 : 238,524.41 = 97,403.33 : x
  2. Step 2: Convert to fraction form
    172,849.97/238,524.41 = 97,403.33/x
  3. Step 3: Cross multiply
    172,849.97x = 238,524.41 × 97,403.33
  4. Step 4: Simplify right side
    172,849.97x = 23,233,071,333.27
  5. Step 5: Solve for x
    x = 23,233,071,333.27/172,849.97
  6. Step 6: Final answer
    x = 134,411.78

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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.