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Finding the Fourth Proportional to 238,597.16, 329,270.37 and 131,169.90

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Solution

The fourth proportional to 238,597.16, 329,270.37 and 131,169.90 is: 181,017.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,597.16 : 329,270.37 = 131,169.90 : x
  2. Step 2: Convert to fraction form
    238,597.16/329,270.37 = 131,169.90/x
  3. Step 3: Cross multiply
    238,597.16x = 329,270.37 × 131,169.90
  4. Step 4: Simplify right side
    238,597.16x = 43,190,361,505.86
  5. Step 5: Solve for x
    x = 43,190,361,505.86/238,597.16
  6. Step 6: Final answer
    x = 181,017.92

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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.