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Finding the Fourth Proportional to 203,745.01, 281,166.87 and 113,114.11

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Solution

The fourth proportional to 203,745.01, 281,166.87 and 113,114.11 is: 156,096.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,745.01 : 281,166.87 = 113,114.11 : x
  2. Step 2: Convert to fraction form
    203,745.01/281,166.87 = 113,114.11/x
  3. Step 3: Cross multiply
    203,745.01x = 281,166.87 × 113,114.11
  4. Step 4: Simplify right side
    203,745.01x = 31,803,940,261.54
  5. Step 5: Solve for x
    x = 31,803,940,261.54/203,745.01
  6. Step 6: Final answer
    x = 156,096.78

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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.