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Finding the Fourth Proportional to 168,971.78, 233,188.41 and 93,520.26

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Solution

The fourth proportional to 168,971.78, 233,188.41 and 93,520.26 is: 129,062.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,971.78 : 233,188.41 = 93,520.26 : x
  2. Step 2: Convert to fraction form
    168,971.78/233,188.41 = 93,520.26/x
  3. Step 3: Cross multiply
    168,971.78x = 233,188.41 × 93,520.26
  4. Step 4: Simplify right side
    168,971.78x = 21,807,840,732.19
  5. Step 5: Solve for x
    x = 21,807,840,732.19/168,971.78
  6. Step 6: Final answer
    x = 129,062.03

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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.