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Finding the Fourth Proportional to 201,395.92, 277,920.49 and 110,751.79

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Solution

The fourth proportional to 201,395.92, 277,920.49 and 110,751.79 is: 152,834.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,395.92 : 277,920.49 = 110,751.79 : x
  2. Step 2: Convert to fraction form
    201,395.92/277,920.49 = 110,751.79/x
  3. Step 3: Cross multiply
    201,395.92x = 277,920.49 × 110,751.79
  4. Step 4: Simplify right side
    201,395.92x = 30,780,189,801.82
  5. Step 5: Solve for x
    x = 30,780,189,801.82/201,395.92
  6. Step 6: Final answer
    x = 152,834.23

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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.