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Finding the Fourth Proportional to 274,294.94, 378,374.66 and 159,560.66

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Solution

The fourth proportional to 274,294.94, 378,374.66 and 159,560.66 is: 220,105.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,294.94 : 378,374.66 = 159,560.66 : x
  2. Step 2: Convert to fraction form
    274,294.94/378,374.66 = 159,560.66/x
  3. Step 3: Cross multiply
    274,294.94x = 378,374.66 × 159,560.66
  4. Step 4: Simplify right side
    274,294.94x = 60,373,707,787.20
  5. Step 5: Solve for x
    x = 60,373,707,787.20/274,294.94
  6. Step 6: Final answer
    x = 220,105.08

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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.