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Finding the Fourth Proportional to 75,900.74, 104,737.62 and 41,903.74

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Solution

The fourth proportional to 75,900.74, 104,737.62 and 41,903.74 is: 57,824.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,900.74 : 104,737.62 = 41,903.74 : x
  2. Step 2: Convert to fraction form
    75,900.74/104,737.62 = 41,903.74/x
  3. Step 3: Cross multiply
    75,900.74x = 104,737.62 × 41,903.74
  4. Step 4: Simplify right side
    75,900.74x = 4,388,897,996.70
  5. Step 5: Solve for x
    x = 4,388,897,996.70/75,900.74
  6. Step 6: Final answer
    x = 57,824.18

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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.