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Finding the Fourth Proportional to 272,654.64, 376,236.60 and 159,455.28

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Solution

The fourth proportional to 272,654.64, 376,236.60 and 159,455.28 is: 220,032.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,654.64 : 376,236.60 = 159,455.28 : x
  2. Step 2: Convert to fraction form
    272,654.64/376,236.60 = 159,455.28/x
  3. Step 3: Cross multiply
    272,654.64x = 376,236.60 × 159,455.28
  4. Step 4: Simplify right side
    272,654.64x = 59,992,912,399.25
  5. Step 5: Solve for x
    x = 59,992,912,399.25/272,654.64
  6. Step 6: Final answer
    x = 220,032.61

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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.