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Finding the Fourth Proportional to 201,404.04, 277,939.36 and 109,523.64

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Solution

The fourth proportional to 201,404.04, 277,939.36 and 109,523.64 is: 151,143.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,404.04 : 277,939.36 = 109,523.64 : x
  2. Step 2: Convert to fraction form
    201,404.04/277,939.36 = 109,523.64/x
  3. Step 3: Cross multiply
    201,404.04x = 277,939.36 × 109,523.64
  4. Step 4: Simplify right side
    201,404.04x = 30,440,930,406.47
  5. Step 5: Solve for x
    x = 30,440,930,406.47/201,404.04
  6. Step 6: Final answer
    x = 151,143.59

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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.