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Finding the Fourth Proportional to 269,818.77, 372,398.64 and 160,930.11

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Solution

The fourth proportional to 269,818.77, 372,398.64 and 160,930.11 is: 222,112.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,818.77 : 372,398.64 = 160,930.11 : x
  2. Step 2: Convert to fraction form
    269,818.77/372,398.64 = 160,930.11/x
  3. Step 3: Cross multiply
    269,818.77x = 372,398.64 × 160,930.11
  4. Step 4: Simplify right side
    269,818.77x = 59,930,154,099.05
  5. Step 5: Solve for x
    x = 59,930,154,099.05/269,818.77
  6. Step 6: Final answer
    x = 222,112.62

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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.