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Finding the Fourth Proportional to 181,850.75, 250,961.82 and 101,278.27

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Solution

The fourth proportional to 181,850.75, 250,961.82 and 101,278.27 is: 139,768.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,850.75 : 250,961.82 = 101,278.27 : x
  2. Step 2: Convert to fraction form
    181,850.75/250,961.82 = 101,278.27/x
  3. Step 3: Cross multiply
    181,850.75x = 250,961.82 × 101,278.27
  4. Step 4: Simplify right side
    181,850.75x = 25,416,977,772.75
  5. Step 5: Solve for x
    x = 25,416,977,772.75/181,850.75
  6. Step 6: Final answer
    x = 139,768.34

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1.5x scale

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.