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Finding the Fourth Proportional to 57,194.10, 78,927.87 and 31,704.31

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Solution

The fourth proportional to 57,194.10, 78,927.87 and 31,704.31 is: 43,751.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,194.10 : 78,927.87 = 31,704.31 : x
  2. Step 2: Convert to fraction form
    57,194.10/78,927.87 = 31,704.31/x
  3. Step 3: Cross multiply
    57,194.10x = 78,927.87 × 31,704.31
  4. Step 4: Simplify right side
    57,194.10x = 2,502,353,658.12
  5. Step 5: Solve for x
    x = 2,502,353,658.12/57,194.10
  6. Step 6: Final answer
    x = 43,751.95

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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.