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Finding the Fourth Proportional to 221,275.26, 331,912.62 and 55,063.26

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Solution

The fourth proportional to 221,275.26, 331,912.62 and 55,063.26 is: 82,594.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,275.26 : 331,912.62 = 55,063.26 : x
  2. Step 2: Convert to fraction form
    221,275.26/331,912.62 = 55,063.26/x
  3. Step 3: Cross multiply
    221,275.26x = 331,912.62 × 55,063.26
  4. Step 4: Simplify right side
    221,275.26x = 18,276,190,892.34
  5. Step 5: Solve for x
    x = 18,276,190,892.34/221,275.26
  6. Step 6: Final answer
    x = 82,594.82

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1.5x scale

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.