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Finding the Fourth Proportional to 239,910.56, 331,075.35 and 132,480.56

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Solution

The fourth proportional to 239,910.56, 331,075.35 and 132,480.56 is: 182,822.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,910.56 : 331,075.35 = 132,480.56 : x
  2. Step 2: Convert to fraction form
    239,910.56/331,075.35 = 132,480.56/x
  3. Step 3: Cross multiply
    239,910.56x = 331,075.35 × 132,480.56
  4. Step 4: Simplify right side
    239,910.56x = 43,861,048,597.88
  5. Step 5: Solve for x
    x = 43,861,048,597.88/239,910.56
  6. Step 6: Final answer
    x = 182,822.50

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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.