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Finding the Fourth Proportional to 115,360.66, 173,039.88 and 36,474.88

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Solution

The fourth proportional to 115,360.66, 173,039.88 and 36,474.88 is: 54,711.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,360.66 : 173,039.88 = 36,474.88 : x
  2. Step 2: Convert to fraction form
    115,360.66/173,039.88 = 36,474.88/x
  3. Step 3: Cross multiply
    115,360.66x = 173,039.88 × 36,474.88
  4. Step 4: Simplify right side
    115,360.66x = 6,311,608,858.21
  5. Step 5: Solve for x
    x = 6,311,608,858.21/115,360.66
  6. Step 6: Final answer
    x = 54,711.97

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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.