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Finding the Fourth Proportional to 201,400.55, 277,939.89 and 110,763.52

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Solution

The fourth proportional to 201,400.55, 277,939.89 and 110,763.52 is: 152,857.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,400.55 : 277,939.89 = 110,763.52 : x
  2. Step 2: Convert to fraction form
    201,400.55/277,939.89 = 110,763.52/x
  3. Step 3: Cross multiply
    201,400.55x = 277,939.89 × 110,763.52
  4. Step 4: Simplify right side
    201,400.55x = 30,785,600,183.42
  5. Step 5: Solve for x
    x = 30,785,600,183.42/201,400.55
  6. Step 6: Final answer
    x = 152,857.58

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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.