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Finding the Fourth Proportional to 351,468.53, 527,093.69 and 126,799.69

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Solution

The fourth proportional to 351,468.53, 527,093.69 and 126,799.69 is: 190,160.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,468.53 : 527,093.69 = 126,799.69 : x
  2. Step 2: Convert to fraction form
    351,468.53/527,093.69 = 126,799.69/x
  3. Step 3: Cross multiply
    351,468.53x = 527,093.69 × 126,799.69
  4. Step 4: Simplify right side
    351,468.53x = 66,835,313,857.49
  5. Step 5: Solve for x
    x = 66,835,313,857.49/351,468.53
  6. Step 6: Final answer
    x = 190,160.17

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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.