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Finding the Fourth Proportional to 116,579.75, 174,794.74 and 76,551.47

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Solution

The fourth proportional to 116,579.75, 174,794.74 and 76,551.47 is: 114,778.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,579.75 : 174,794.74 = 76,551.47 : x
  2. Step 2: Convert to fraction form
    116,579.75/174,794.74 = 76,551.47/x
  3. Step 3: Cross multiply
    116,579.75x = 174,794.74 × 76,551.47
  4. Step 4: Simplify right side
    116,579.75x = 13,380,793,229.92
  5. Step 5: Solve for x
    x = 13,380,793,229.92/116,579.75
  6. Step 6: Final answer
    x = 114,778.02

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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.