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Finding the Fourth Proportional to 179,998.52, 248,398.78 and 98,327.87

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Solution

The fourth proportional to 179,998.52, 248,398.78 and 98,327.87 is: 135,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,998.52 : 248,398.78 = 98,327.87 : x
  2. Step 2: Convert to fraction form
    179,998.52/248,398.78 = 98,327.87/x
  3. Step 3: Cross multiply
    179,998.52x = 248,398.78 × 98,327.87
  4. Step 4: Simplify right side
    179,998.52x = 24,424,521,460.19
  5. Step 5: Solve for x
    x = 24,424,521,460.19/179,998.52
  6. Step 6: Final answer
    x = 135,692.90

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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.