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Finding the Fourth Proportional to 219,366.62, 328,839.74 and 92,832.82

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Solution

The fourth proportional to 219,366.62, 328,839.74 and 92,832.82 is: 139,160.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,366.62 : 328,839.74 = 92,832.82 : x
  2. Step 2: Convert to fraction form
    219,366.62/328,839.74 = 92,832.82/x
  3. Step 3: Cross multiply
    219,366.62x = 328,839.74 × 92,832.82
  4. Step 4: Simplify right side
    219,366.62x = 30,527,120,392.27
  5. Step 5: Solve for x
    x = 30,527,120,392.27/219,366.62
  6. Step 6: Final answer
    x = 139,160.28

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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.