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Finding the Fourth Proportional to 89,193.66, 133,812.80 and 62,949.66

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Solution

The fourth proportional to 89,193.66, 133,812.80 and 62,949.66 is: 94,440.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,193.66 : 133,812.80 = 62,949.66 : x
  2. Step 2: Convert to fraction form
    89,193.66/133,812.80 = 62,949.66/x
  3. Step 3: Cross multiply
    89,193.66x = 133,812.80 × 62,949.66
  4. Step 4: Simplify right side
    89,193.66x = 8,423,469,948.90
  5. Step 5: Solve for x
    x = 8,423,469,948.90/89,193.66
  6. Step 6: Final answer
    x = 94,440.23

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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.