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Finding the Fourth Proportional to 72,924.65, 100,635.21 and 41,093.51

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Solution

The fourth proportional to 72,924.65, 100,635.21 and 41,093.51 is: 56,708.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,924.65 : 100,635.21 = 41,093.51 : x
  2. Step 2: Convert to fraction form
    72,924.65/100,635.21 = 41,093.51/x
  3. Step 3: Cross multiply
    72,924.65x = 100,635.21 × 41,093.51
  4. Step 4: Simplify right side
    72,924.65x = 4,135,454,008.49
  5. Step 5: Solve for x
    x = 4,135,454,008.49/72,924.65
  6. Step 6: Final answer
    x = 56,708.59

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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.