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Finding the Fourth Proportional to 221,252.85, 331,891.63 and 63,477

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Solution

The fourth proportional to 221,252.85, 331,891.63 and 63,477 is: 95,219.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,252.85 : 331,891.63 = 63,477 : x
  2. Step 2: Convert to fraction form
    221,252.85/331,891.63 = 63,477/x
  3. Step 3: Cross multiply
    221,252.85x = 331,891.63 × 63,477
  4. Step 4: Simplify right side
    221,252.85x = 21,067,484,838.82
  5. Step 5: Solve for x
    x = 21,067,484,838.82/221,252.85
  6. Step 6: Final answer
    x = 95,219.04

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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.