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Finding the Fourth Proportional to 221,255.28, 331,874.37 and 63,483.71

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Solution

The fourth proportional to 221,255.28, 331,874.37 and 63,483.71 is: 95,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,255.28 : 331,874.37 = 63,483.71 : x
  2. Step 2: Convert to fraction form
    221,255.28/331,874.37 = 63,483.71/x
  3. Step 3: Cross multiply
    221,255.28x = 331,874.37 × 63,483.71
  4. Step 4: Simplify right side
    221,255.28x = 21,068,614,602.14
  5. Step 5: Solve for x
    x = 21,068,614,602.14/221,255.28
  6. Step 6: Final answer
    x = 95,223.10

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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.