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Finding the Fourth Proportional to 172,998.31, 238,744.58 and 96,524.08

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Solution

The fourth proportional to 172,998.31, 238,744.58 and 96,524.08 is: 133,207.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,998.31 : 238,744.58 = 96,524.08 : x
  2. Step 2: Convert to fraction form
    172,998.31/238,744.58 = 96,524.08/x
  3. Step 3: Cross multiply
    172,998.31x = 238,744.58 × 96,524.08
  4. Step 4: Simplify right side
    172,998.31x = 23,044,601,536.35
  5. Step 5: Solve for x
    x = 23,044,601,536.35/172,998.31
  6. Step 6: Final answer
    x = 133,207.09

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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.