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Finding the Fourth Proportional to 116,481.60, 174,657.60 and 49,910.40

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Solution

The fourth proportional to 116,481.60, 174,657.60 and 49,910.40 is: 74,837.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,481.60 : 174,657.60 = 49,910.40 : x
  2. Step 2: Convert to fraction form
    116,481.60/174,657.60 = 49,910.40/x
  3. Step 3: Cross multiply
    116,481.60x = 174,657.60 × 49,910.40
  4. Step 4: Simplify right side
    116,481.60x = 8,717,230,679.04
  5. Step 5: Solve for x
    x = 8,717,230,679.04/116,481.60
  6. Step 6: Final answer
    x = 74,837.83

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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.