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Finding the Fourth Proportional to 272,737.32, 376,353.37 and 157,979.27

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Solution

The fourth proportional to 272,737.32, 376,353.37 and 157,979.27 is: 217,997.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,737.32 : 376,353.37 = 157,979.27 : x
  2. Step 2: Convert to fraction form
    272,737.32/376,353.37 = 157,979.27/x
  3. Step 3: Cross multiply
    272,737.32x = 376,353.37 × 157,979.27
  4. Step 4: Simplify right side
    272,737.32x = 59,456,030,654.64
  5. Step 5: Solve for x
    x = 59,456,030,654.64/272,737.32
  6. Step 6: Final answer
    x = 217,997.41

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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.