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Finding the Fourth Proportional to 221,340.48, 331,912.80 and 63,532.32

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Solution

The fourth proportional to 221,340.48, 331,912.80 and 63,532.32 is: 95,270.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,340.48 : 331,912.80 = 63,532.32 : x
  2. Step 2: Convert to fraction form
    221,340.48/331,912.80 = 63,532.32/x
  3. Step 3: Cross multiply
    221,340.48x = 331,912.80 × 63,532.32
  4. Step 4: Simplify right side
    221,340.48x = 21,087,190,221.70
  5. Step 5: Solve for x
    x = 21,087,190,221.70/221,340.48
  6. Step 6: Final answer
    x = 95,270.37

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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.