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Finding the Fourth Proportional to 117,797.13, 176,660.39 and 50,326.45

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Solution

The fourth proportional to 117,797.13, 176,660.39 and 50,326.45 is: 75,474.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,797.13 : 176,660.39 = 50,326.45 : x
  2. Step 2: Convert to fraction form
    117,797.13/176,660.39 = 50,326.45/x
  3. Step 3: Cross multiply
    117,797.13x = 176,660.39 × 50,326.45
  4. Step 4: Simplify right side
    117,797.13x = 8,890,689,968.48
  5. Step 5: Solve for x
    x = 8,890,689,968.48/117,797.13
  6. Step 6: Final answer
    x = 75,474.59

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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.