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Finding the Fourth Proportional to 123,082.01, 184,656.08 and 38,845.43

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Solution

The fourth proportional to 123,082.01, 184,656.08 and 38,845.43 is: 58,278.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,082.01 : 184,656.08 = 38,845.43 : x
  2. Step 2: Convert to fraction form
    123,082.01/184,656.08 = 38,845.43/x
  3. Step 3: Cross multiply
    123,082.01x = 184,656.08 × 38,845.43
  4. Step 4: Simplify right side
    123,082.01x = 7,173,044,635.49
  5. Step 5: Solve for x
    x = 7,173,044,635.49/123,082.01
  6. Step 6: Final answer
    x = 58,278.58

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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.