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Finding the Fourth Proportional to 118,201.80, 177,304.22 and 39,316.04

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Solution

The fourth proportional to 118,201.80, 177,304.22 and 39,316.04 is: 58,974.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,201.80 : 177,304.22 = 39,316.04 : x
  2. Step 2: Convert to fraction form
    118,201.80/177,304.22 = 39,316.04/x
  3. Step 3: Cross multiply
    118,201.80x = 177,304.22 × 39,316.04
  4. Step 4: Simplify right side
    118,201.80x = 6,970,899,805.69
  5. Step 5: Solve for x
    x = 6,970,899,805.69/118,201.80
  6. Step 6: Final answer
    x = 58,974.57

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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.