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Finding the Fourth Proportional to 183,185.52, 274,872 and 87,231.36

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Solution

The fourth proportional to 183,185.52, 274,872 and 87,231.36 is: 130,891.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,185.52 : 274,872 = 87,231.36 : x
  2. Step 2: Convert to fraction form
    183,185.52/274,872 = 87,231.36/x
  3. Step 3: Cross multiply
    183,185.52x = 274,872 × 87,231.36
  4. Step 4: Simplify right side
    183,185.52x = 23,977,458,385.92
  5. Step 5: Solve for x
    x = 23,977,458,385.92/183,185.52
  6. Step 6: Final answer
    x = 130,891.67

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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.