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Finding the Fourth Proportional to 92,935.92, 139,401.45 and 33,772.71

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Solution

The fourth proportional to 92,935.92, 139,401.45 and 33,772.71 is: 50,658.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,935.92 : 139,401.45 = 33,772.71 : x
  2. Step 2: Convert to fraction form
    92,935.92/139,401.45 = 33,772.71/x
  3. Step 3: Cross multiply
    92,935.92x = 139,401.45 × 33,772.71
  4. Step 4: Simplify right side
    92,935.92x = 4,707,964,744.43
  5. Step 5: Solve for x
    x = 4,707,964,744.43/92,935.92
  6. Step 6: Final answer
    x = 50,658.18

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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.