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Finding the Fourth Proportional to 74,263.16, 111,411.15 and 36,843.59

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Solution

The fourth proportional to 74,263.16, 111,411.15 and 36,843.59 is: 55,273.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,263.16 : 111,411.15 = 36,843.59 : x
  2. Step 2: Convert to fraction form
    74,263.16/111,411.15 = 36,843.59/x
  3. Step 3: Cross multiply
    74,263.16x = 111,411.15 × 36,843.59
  4. Step 4: Simplify right side
    74,263.16x = 4,104,786,872.39
  5. Step 5: Solve for x
    x = 4,104,786,872.39/74,263.16
  6. Step 6: Final answer
    x = 55,273.53

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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.