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Finding the Fourth Proportional to 75,671.38, 104,426.50 and 43,858.73

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Solution

The fourth proportional to 75,671.38, 104,426.50 and 43,858.73 is: 60,525.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,671.38 : 104,426.50 = 43,858.73 : x
  2. Step 2: Convert to fraction form
    75,671.38/104,426.50 = 43,858.73/x
  3. Step 3: Cross multiply
    75,671.38x = 104,426.50 × 43,858.73
  4. Step 4: Simplify right side
    75,671.38x = 4,580,013,146.21
  5. Step 5: Solve for x
    x = 4,580,013,146.21/75,671.38
  6. Step 6: Final answer
    x = 60,525.04

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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.