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Finding the Fourth Proportional to 201,879.02, 278,429.46 and 177,627.62

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Solution

The fourth proportional to 201,879.02, 278,429.46 and 177,627.62 is: 244,982.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,879.02 : 278,429.46 = 177,627.62 : x
  2. Step 2: Convert to fraction form
    201,879.02/278,429.46 = 177,627.62/x
  3. Step 3: Cross multiply
    201,879.02x = 278,429.46 × 177,627.62
  4. Step 4: Simplify right side
    201,879.02x = 49,456,762,317.69
  5. Step 5: Solve for x
    x = 49,456,762,317.69/201,879.02
  6. Step 6: Final answer
    x = 244,982.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.