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Finding the Fourth Proportional to 221,224.92, 331,838.46 and 55,012.92

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Solution

The fourth proportional to 221,224.92, 331,838.46 and 55,012.92 is: 82,519.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,224.92 : 331,838.46 = 55,012.92 : x
  2. Step 2: Convert to fraction form
    221,224.92/331,838.46 = 55,012.92/x
  3. Step 3: Cross multiply
    221,224.92x = 331,838.46 × 55,012.92
  4. Step 4: Simplify right side
    221,224.92x = 18,255,402,652.90
  5. Step 5: Solve for x
    x = 18,255,402,652.90/221,224.92
  6. Step 6: Final answer
    x = 82,519.65

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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.