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Finding the Fourth Proportional to 221,602.29, 332,354.84 and 63,796.47

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Solution

The fourth proportional to 221,602.29, 332,354.84 and 63,796.47 is: 95,680.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,602.29 : 332,354.84 = 63,796.47 : x
  2. Step 2: Convert to fraction form
    221,602.29/332,354.84 = 63,796.47/x
  3. Step 3: Cross multiply
    221,602.29x = 332,354.84 × 63,796.47
  4. Step 4: Simplify right side
    221,602.29x = 21,203,065,883.60
  5. Step 5: Solve for x
    x = 21,203,065,883.60/221,602.29
  6. Step 6: Final answer
    x = 95,680.72

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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.