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Finding the Fourth Proportional to 248,997.00, 343,616.95 and 135,822.18

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Solution

The fourth proportional to 248,997.00, 343,616.95 and 135,822.18 is: 187,435.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,997.00 : 343,616.95 = 135,822.18 : x
  2. Step 2: Convert to fraction form
    248,997.00/343,616.95 = 135,822.18/x
  3. Step 3: Cross multiply
    248,997.00x = 343,616.95 × 135,822.18
  4. Step 4: Simplify right side
    248,997.00x = 46,670,804,692.29
  5. Step 5: Solve for x
    x = 46,670,804,692.29/248,997.00
  6. Step 6: Final answer
    x = 187,435.21

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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.