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Finding the Fourth Proportional to 116,183.80, 173,838.30 and 76,817.80

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Solution

The fourth proportional to 116,183.80, 173,838.30 and 76,817.80 is: 114,937.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,183.80 : 173,838.30 = 76,817.80 : x
  2. Step 2: Convert to fraction form
    116,183.80/173,838.30 = 76,817.80/x
  3. Step 3: Cross multiply
    116,183.80x = 173,838.30 × 76,817.80
  4. Step 4: Simplify right side
    116,183.80x = 13,353,875,761.74
  5. Step 5: Solve for x
    x = 13,353,875,761.74/116,183.80
  6. Step 6: Final answer
    x = 114,937.50

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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.