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Finding the Fourth Proportional to 94,782.92, 130,800.48 and 51,763

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Solution

The fourth proportional to 94,782.92, 130,800.48 and 51,763 is: 71,432.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,782.92 : 130,800.48 = 51,763 : x
  2. Step 2: Convert to fraction form
    94,782.92/130,800.48 = 51,763/x
  3. Step 3: Cross multiply
    94,782.92x = 130,800.48 × 51,763
  4. Step 4: Simplify right side
    94,782.92x = 6,770,625,246.24
  5. Step 5: Solve for x
    x = 6,770,625,246.24/94,782.92
  6. Step 6: Final answer
    x = 71,432.97

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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.