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Finding the Fourth Proportional to 201,401.57, 277,928.62 and 110,757.53

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Solution

The fourth proportional to 201,401.57, 277,928.62 and 110,757.53 is: 152,842.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,401.57 : 277,928.62 = 110,757.53 : x
  2. Step 2: Convert to fraction form
    201,401.57/277,928.62 = 110,757.53/x
  3. Step 3: Cross multiply
    201,401.57x = 277,928.62 × 110,757.53
  4. Step 4: Simplify right side
    201,401.57x = 30,782,685,800.97
  5. Step 5: Solve for x
    x = 30,782,685,800.97/201,401.57
  6. Step 6: Final answer
    x = 152,842.34

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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.