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Finding the Fourth Proportional to 221,107.52, 331,672.56 and 63,359.12

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Solution

The fourth proportional to 221,107.52, 331,672.56 and 63,359.12 is: 95,041.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,107.52 : 331,672.56 = 63,359.12 : x
  2. Step 2: Convert to fraction form
    221,107.52/331,672.56 = 63,359.12/x
  3. Step 3: Cross multiply
    221,107.52x = 331,672.56 × 63,359.12
  4. Step 4: Simplify right side
    221,107.52x = 21,014,481,529.75
  5. Step 5: Solve for x
    x = 21,014,481,529.75/221,107.52
  6. Step 6: Final answer
    x = 95,041.91

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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.