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Finding the Fourth Proportional to 276,653.01, 415,084.10 and 108,293.66

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Solution

The fourth proportional to 276,653.01, 415,084.10 and 108,293.66 is: 162,481.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,653.01 : 415,084.10 = 108,293.66 : x
  2. Step 2: Convert to fraction form
    276,653.01/415,084.10 = 108,293.66/x
  3. Step 3: Cross multiply
    276,653.01x = 415,084.10 × 108,293.66
  4. Step 4: Simplify right side
    276,653.01x = 44,950,976,396.81
  5. Step 5: Solve for x
    x = 44,950,976,396.81/276,653.01
  6. Step 6: Final answer
    x = 162,481.43

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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.