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Finding the Fourth Proportional to 276,883.11, 415,305.23 and 158,182.47

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Solution

The fourth proportional to 276,883.11, 415,305.23 and 158,182.47 is: 237,262.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,883.11 : 415,305.23 = 158,182.47 : x
  2. Step 2: Convert to fraction form
    276,883.11/415,305.23 = 158,182.47/x
  3. Step 3: Cross multiply
    276,883.11x = 415,305.23 × 158,182.47
  4. Step 4: Simplify right side
    276,883.11x = 65,694,006,294.41
  5. Step 5: Solve for x
    x = 65,694,006,294.41/276,883.11
  6. Step 6: Final answer
    x = 237,262.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.