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Finding the Fourth Proportional to 178,959.37, 268,437.43 and 54,300.37

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Solution

The fourth proportional to 178,959.37, 268,437.43 and 54,300.37 is: 81,450.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,959.37 : 268,437.43 = 54,300.37 : x
  2. Step 2: Convert to fraction form
    178,959.37/268,437.43 = 54,300.37/x
  3. Step 3: Cross multiply
    178,959.37x = 268,437.43 × 54,300.37
  4. Step 4: Simplify right side
    178,959.37x = 14,576,251,770.85
  5. Step 5: Solve for x
    x = 14,576,251,770.85/178,959.37
  6. Step 6: Final answer
    x = 81,450.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.