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Finding the Fourth Proportional to 118,499.34, 177,749.19 and 47,453.97

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Solution

The fourth proportional to 118,499.34, 177,749.19 and 47,453.97 is: 71,181.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,499.34 : 177,749.19 = 47,453.97 : x
  2. Step 2: Convert to fraction form
    118,499.34/177,749.19 = 47,453.97/x
  3. Step 3: Cross multiply
    118,499.34x = 177,749.19 × 47,453.97
  4. Step 4: Simplify right side
    118,499.34x = 8,434,904,729.78
  5. Step 5: Solve for x
    x = 8,434,904,729.78/118,499.34
  6. Step 6: Final answer
    x = 71,181.03

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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.