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Finding the Fourth Proportional to 111,190.73, 166,745.08 and 48,013.76

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Solution

The fourth proportional to 111,190.73, 166,745.08 and 48,013.76 is: 72,002.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,190.73 : 166,745.08 = 48,013.76 : x
  2. Step 2: Convert to fraction form
    111,190.73/166,745.08 = 48,013.76/x
  3. Step 3: Cross multiply
    111,190.73x = 166,745.08 × 48,013.76
  4. Step 4: Simplify right side
    111,190.73x = 8,006,058,729.18
  5. Step 5: Solve for x
    x = 8,006,058,729.18/111,190.73
  6. Step 6: Final answer
    x = 72,002.94

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1.5x scale

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.