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Finding the Fourth Proportional to 113,791.53, 170,704.20 and 36,828.77

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Solution

The fourth proportional to 113,791.53, 170,704.20 and 36,828.77 is: 55,248.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,791.53 : 170,704.20 = 36,828.77 : x
  2. Step 2: Convert to fraction form
    113,791.53/170,704.20 = 36,828.77/x
  3. Step 3: Cross multiply
    113,791.53x = 170,704.20 × 36,828.77
  4. Step 4: Simplify right side
    113,791.53x = 6,286,825,719.83
  5. Step 5: Solve for x
    x = 6,286,825,719.83/113,791.53
  6. Step 6: Final answer
    x = 55,248.63

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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.