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Finding the Fourth Proportional to 116,396.79, 174,671.63 and 63,843.15

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Solution

The fourth proportional to 116,396.79, 174,671.63 and 63,843.15 is: 95,806.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,396.79 : 174,671.63 = 63,843.15 : x
  2. Step 2: Convert to fraction form
    116,396.79/174,671.63 = 63,843.15/x
  3. Step 3: Cross multiply
    116,396.79x = 174,671.63 × 63,843.15
  4. Step 4: Simplify right side
    116,396.79x = 11,151,586,755.62
  5. Step 5: Solve for x
    x = 11,151,586,755.62/116,396.79
  6. Step 6: Final answer
    x = 95,806.65

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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.