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Finding the Fourth Proportional to 254,652.31, 351,399.62 and 147,229.27

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Solution

The fourth proportional to 254,652.31, 351,399.62 and 147,229.27 is: 203,164.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,652.31 : 351,399.62 = 147,229.27 : x
  2. Step 2: Convert to fraction form
    254,652.31/351,399.62 = 147,229.27/x
  3. Step 3: Cross multiply
    254,652.31x = 351,399.62 × 147,229.27
  4. Step 4: Simplify right side
    254,652.31x = 51,736,307,037.73
  5. Step 5: Solve for x
    x = 51,736,307,037.73/254,652.31
  6. Step 6: Final answer
    x = 203,164.49

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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.