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Finding the Fourth Proportional to 118,469.93, 177,736.05 and 42,576.13

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Solution

The fourth proportional to 118,469.93, 177,736.05 and 42,576.13 is: 63,875.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,469.93 : 177,736.05 = 42,576.13 : x
  2. Step 2: Convert to fraction form
    118,469.93/177,736.05 = 42,576.13/x
  3. Step 3: Cross multiply
    118,469.93x = 177,736.05 × 42,576.13
  4. Step 4: Simplify right side
    118,469.93x = 7,567,313,170.49
  5. Step 5: Solve for x
    x = 7,567,313,170.49/118,469.93
  6. Step 6: Final answer
    x = 63,875.39

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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.