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Finding the Fourth Proportional to 201,349.57, 277,867.67 and 109,475.04

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Solution

The fourth proportional to 201,349.57, 277,867.67 and 109,475.04 is: 151,078.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,349.57 : 277,867.67 = 109,475.04 : x
  2. Step 2: Convert to fraction form
    201,349.57/277,867.67 = 109,475.04/x
  3. Step 3: Cross multiply
    201,349.57x = 277,867.67 × 109,475.04
  4. Step 4: Simplify right side
    201,349.57x = 30,419,572,898.62
  5. Step 5: Solve for x
    x = 30,419,572,898.62/201,349.57
  6. Step 6: Final answer
    x = 151,078.41

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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.