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Finding the Fourth Proportional to 91,537.50, 126,323.67 and 51,793.50

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Solution

The fourth proportional to 91,537.50, 126,323.67 and 51,793.50 is: 71,476.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,537.50 : 126,323.67 = 51,793.50 : x
  2. Step 2: Convert to fraction form
    91,537.50/126,323.67 = 51,793.50/x
  3. Step 3: Cross multiply
    91,537.50x = 126,323.67 × 51,793.50
  4. Step 4: Simplify right side
    91,537.50x = 6,542,745,002.15
  5. Step 5: Solve for x
    x = 6,542,745,002.15/91,537.50
  6. Step 6: Final answer
    x = 71,476.12

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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.