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Finding the Fourth Proportional to 159,755.68, 239,664.24 and 61,252

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Solution

The fourth proportional to 159,755.68, 239,664.24 and 61,252 is: 91,889.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,755.68 : 239,664.24 = 61,252 : x
  2. Step 2: Convert to fraction form
    159,755.68/239,664.24 = 61,252/x
  3. Step 3: Cross multiply
    159,755.68x = 239,664.24 × 61,252
  4. Step 4: Simplify right side
    159,755.68x = 14,679,914,028.48
  5. Step 5: Solve for x
    x = 14,679,914,028.48/159,755.68
  6. Step 6: Final answer
    x = 91,889.78

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Why These Related Problems?

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