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Finding the Fourth Proportional to 238,552.50, 329,203.18 and 131,133.54

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Solution

The fourth proportional to 238,552.50, 329,203.18 and 131,133.54 is: 180,964.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,552.50 : 329,203.18 = 131,133.54 : x
  2. Step 2: Convert to fraction form
    238,552.50/329,203.18 = 131,133.54/x
  3. Step 3: Cross multiply
    238,552.50x = 329,203.18 × 131,133.54
  4. Step 4: Simplify right side
    238,552.50x = 43,169,578,372.66
  5. Step 5: Solve for x
    x = 43,169,578,372.66/238,552.50
  6. Step 6: Final answer
    x = 180,964.69

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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.