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Finding the Fourth Proportional to 68,480.83, 102,744.59 and 36,894.13

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Solution

The fourth proportional to 68,480.83, 102,744.59 and 36,894.13 is: 55,353.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,480.83 : 102,744.59 = 36,894.13 : x
  2. Step 2: Convert to fraction form
    68,480.83/102,744.59 = 36,894.13/x
  3. Step 3: Cross multiply
    68,480.83x = 102,744.59 × 36,894.13
  4. Step 4: Simplify right side
    68,480.83x = 3,790,672,095.63
  5. Step 5: Solve for x
    x = 3,790,672,095.63/68,480.83
  6. Step 6: Final answer
    x = 55,353.77

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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.