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Finding the Fourth Proportional to 122,940.30, 184,082.40 and 122,940.30

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Solution

The fourth proportional to 122,940.30, 184,082.40 and 122,940.30 is: 184,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,940.30 : 184,082.40 = 122,940.30 : x
  2. Step 2: Convert to fraction form
    122,940.30/184,082.40 = 122,940.30/x
  3. Step 3: Cross multiply
    122,940.30x = 184,082.40 × 122,940.30
  4. Step 4: Simplify right side
    122,940.30x = 22,631,145,480.72
  5. Step 5: Solve for x
    x = 22,631,145,480.72/122,940.30
  6. Step 6: Final answer
    x = 184,082.40

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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.