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Finding the Fourth Proportional to 234,728, 323,918.88 and 134,119.52

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Solution

The fourth proportional to 234,728, 323,918.88 and 134,119.52 is: 185,081.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,728 : 323,918.88 = 134,119.52 : x
  2. Step 2: Convert to fraction form
    234,728/323,918.88 = 134,119.52/x
  3. Step 3: Cross multiply
    234,728x = 323,918.88 × 134,119.52
  4. Step 4: Simplify right side
    234,728x = 43,443,844,704.54
  5. Step 5: Solve for x
    x = 43,443,844,704.54/234,728
  6. Step 6: Final answer
    x = 185,081.65

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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.