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Finding the Fourth Proportional to 61,861.52, 92,631.67 and 53,033.33

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Solution

The fourth proportional to 61,861.52, 92,631.67 and 53,033.33 is: 79,412.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,861.52 : 92,631.67 = 53,033.33 : x
  2. Step 2: Convert to fraction form
    61,861.52/92,631.67 = 53,033.33/x
  3. Step 3: Cross multiply
    61,861.52x = 92,631.67 × 53,033.33
  4. Step 4: Simplify right side
    61,861.52x = 4,912,566,022.56
  5. Step 5: Solve for x
    x = 4,912,566,022.56/61,861.52
  6. Step 6: Final answer
    x = 79,412.30

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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.