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Finding the Fourth Proportional to 178,245.54, 267,427.87 and 58,307.96

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Solution

The fourth proportional to 178,245.54, 267,427.87 and 58,307.96 is: 87,481.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,245.54 : 267,427.87 = 58,307.96 : x
  2. Step 2: Convert to fraction form
    178,245.54/267,427.87 = 58,307.96/x
  3. Step 3: Cross multiply
    178,245.54x = 267,427.87 × 58,307.96
  4. Step 4: Simplify right side
    178,245.54x = 15,593,174,069.65
  5. Step 5: Solve for x
    x = 15,593,174,069.65/178,245.54
  6. Step 6: Final answer
    x = 87,481.43

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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.