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Finding the Fourth Proportional to 201,396.67, 277,921.52 and 110,752.54

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Solution

The fourth proportional to 201,396.67, 277,921.52 and 110,752.54 is: 152,835.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,396.67 : 277,921.52 = 110,752.54 : x
  2. Step 2: Convert to fraction form
    201,396.67/277,921.52 = 110,752.54/x
  3. Step 3: Cross multiply
    201,396.67x = 277,921.52 × 110,752.54
  4. Step 4: Simplify right side
    201,396.67x = 30,780,514,260.66
  5. Step 5: Solve for x
    x = 30,780,514,260.66/201,396.67
  6. Step 6: Final answer
    x = 152,835.27

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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.