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Finding the Fourth Proportional to 75,081, 103,611.78 and 41,552.04

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Solution

The fourth proportional to 75,081, 103,611.78 and 41,552.04 is: 57,341.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,081 : 103,611.78 = 41,552.04 : x
  2. Step 2: Convert to fraction form
    75,081/103,611.78 = 41,552.04/x
  3. Step 3: Cross multiply
    75,081x = 103,611.78 × 41,552.04
  4. Step 4: Simplify right side
    75,081x = 4,305,280,827.03
  5. Step 5: Solve for x
    x = 4,305,280,827.03/75,081
  6. Step 6: Final answer
    x = 57,341.82

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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.