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Finding the Fourth Proportional to 222,343.18, 333,165.30 and 171,865.78

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Solution

The fourth proportional to 222,343.18, 333,165.30 and 171,865.78 is: 257,528.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,343.18 : 333,165.30 = 171,865.78 : x
  2. Step 2: Convert to fraction form
    222,343.18/333,165.30 = 171,865.78/x
  3. Step 3: Cross multiply
    222,343.18x = 333,165.30 × 171,865.78
  4. Step 4: Simplify right side
    222,343.18x = 57,259,714,153.43
  5. Step 5: Solve for x
    x = 57,259,714,153.43/222,343.18
  6. Step 6: Final answer
    x = 257,528.54

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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.