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Finding the Fourth Proportional to 272,949, 376,672.32 and 159,774.18

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Solution

The fourth proportional to 272,949, 376,672.32 and 159,774.18 is: 220,489.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,949 : 376,672.32 = 159,774.18 : x
  2. Step 2: Convert to fraction form
    272,949/376,672.32 = 159,774.18/x
  3. Step 3: Cross multiply
    272,949x = 376,672.32 × 159,774.18
  4. Step 4: Simplify right side
    272,949x = 60,182,511,056.70
  5. Step 5: Solve for x
    x = 60,182,511,056.70/272,949
  6. Step 6: Final answer
    x = 220,489.95

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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.