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Finding the Fourth Proportional to 123,062.10, 184,593.15 and 115,286.10

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Solution

The fourth proportional to 123,062.10, 184,593.15 and 115,286.10 is: 172,929.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,062.10 : 184,593.15 = 115,286.10 : x
  2. Step 2: Convert to fraction form
    123,062.10/184,593.15 = 115,286.10/x
  3. Step 3: Cross multiply
    123,062.10x = 184,593.15 × 115,286.10
  4. Step 4: Simplify right side
    123,062.10x = 21,281,024,350.22
  5. Step 5: Solve for x
    x = 21,281,024,350.22/123,062.10
  6. Step 6: Final answer
    x = 172,929.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.