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Finding the Fourth Proportional to 123,032.70, 184,549.05 and 110,979.90

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Solution

The fourth proportional to 123,032.70, 184,549.05 and 110,979.90 is: 166,469.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,032.70 : 184,549.05 = 110,979.90 : x
  2. Step 2: Convert to fraction form
    123,032.70/184,549.05 = 110,979.90/x
  3. Step 3: Cross multiply
    123,032.70x = 184,549.05 × 110,979.90
  4. Step 4: Simplify right side
    123,032.70x = 20,481,235,114.10
  5. Step 5: Solve for x
    x = 20,481,235,114.10/123,032.70
  6. Step 6: Final answer
    x = 166,469.85

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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.