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Finding the Fourth Proportional to 174,391.92, 239,093.37 and 171,242.64

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Solution

The fourth proportional to 174,391.92, 239,093.37 and 171,242.64 is: 234,775.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,391.92 : 239,093.37 = 171,242.64 : x
  2. Step 2: Convert to fraction form
    174,391.92/239,093.37 = 171,242.64/x
  3. Step 3: Cross multiply
    174,391.92x = 239,093.37 × 171,242.64
  4. Step 4: Simplify right side
    174,391.92x = 40,942,979,885.30
  5. Step 5: Solve for x
    x = 40,942,979,885.30/174,391.92
  6. Step 6: Final answer
    x = 234,775.67

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.