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Finding the Fourth Proportional to 203,013.26, 304,169.88 and 134,582.84

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Solution

The fourth proportional to 203,013.26, 304,169.88 and 134,582.84 is: 201,642.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,013.26 : 304,169.88 = 134,582.84 : x
  2. Step 2: Convert to fraction form
    203,013.26/304,169.88 = 134,582.84/x
  3. Step 3: Cross multiply
    203,013.26x = 304,169.88 × 134,582.84
  4. Step 4: Simplify right side
    203,013.26x = 40,936,046,292.86
  5. Step 5: Solve for x
    x = 40,936,046,292.86/203,013.26
  6. Step 6: Final answer
    x = 201,642.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.