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Finding the Fourth Proportional to 238,551.96, 329,202.54 and 131,131.32

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Solution

The fourth proportional to 238,551.96, 329,202.54 and 131,131.32 is: 180,961.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,551.96 : 329,202.54 = 131,131.32 : x
  2. Step 2: Convert to fraction form
    238,551.96/329,202.54 = 131,131.32/x
  3. Step 3: Cross multiply
    238,551.96x = 329,202.54 × 131,131.32
  4. Step 4: Simplify right side
    238,551.96x = 43,168,763,617.55
  5. Step 5: Solve for x
    x = 43,168,763,617.55/238,551.96
  6. Step 6: Final answer
    x = 180,961.68

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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.