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Finding the Fourth Proportional to 251,957.59, 347,579.00 and 161,240.83

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Solution

The fourth proportional to 251,957.59, 347,579.00 and 161,240.83 is: 222,433.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,957.59 : 347,579.00 = 161,240.83 : x
  2. Step 2: Convert to fraction form
    251,957.59/347,579.00 = 161,240.83/x
  3. Step 3: Cross multiply
    251,957.59x = 347,579.00 × 161,240.83
  4. Step 4: Simplify right side
    251,957.59x = 56,043,925,380.07
  5. Step 5: Solve for x
    x = 56,043,925,380.07/251,957.59
  6. Step 6: Final answer
    x = 222,433.97

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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.