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Finding the Fourth Proportional to 93,874.93, 140,809.97 and 31,545.43

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Solution

The fourth proportional to 93,874.93, 140,809.97 and 31,545.43 is: 47,317.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,874.93 : 140,809.97 = 31,545.43 : x
  2. Step 2: Convert to fraction form
    93,874.93/140,809.97 = 31,545.43/x
  3. Step 3: Cross multiply
    93,874.93x = 140,809.97 × 31,545.43
  4. Step 4: Simplify right side
    93,874.93x = 4,441,910,894.21
  5. Step 5: Solve for x
    x = 4,441,910,894.21/93,874.93
  6. Step 6: Final answer
    x = 47,317.33

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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.