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Finding the Fourth Proportional to 184,773.38, 254,987.87 and 99,891.05

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Solution

The fourth proportional to 184,773.38, 254,987.87 and 99,891.05 is: 137,849.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,773.38 : 254,987.87 = 99,891.05 : x
  2. Step 2: Convert to fraction form
    184,773.38/254,987.87 = 99,891.05/x
  3. Step 3: Cross multiply
    184,773.38x = 254,987.87 × 99,891.05
  4. Step 4: Simplify right side
    184,773.38x = 25,471,004,297.17
  5. Step 5: Solve for x
    x = 25,471,004,297.17/184,773.38
  6. Step 6: Final answer
    x = 137,849.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.