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Finding the Fourth Proportional to 74,254.73, 111,398.49 and 36,835.16

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Solution

The fourth proportional to 74,254.73, 111,398.49 and 36,835.16 is: 55,260.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,254.73 : 111,398.49 = 36,835.16 : x
  2. Step 2: Convert to fraction form
    74,254.73/111,398.49 = 36,835.16/x
  3. Step 3: Cross multiply
    74,254.73x = 111,398.49 × 36,835.16
  4. Step 4: Simplify right side
    74,254.73x = 4,103,380,645.92
  5. Step 5: Solve for x
    x = 4,103,380,645.92/74,254.73
  6. Step 6: Final answer
    x = 55,260.87

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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.