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Finding the Fourth Proportional to 354,945.52, 532,107.24 and 133,485.04

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Solution

The fourth proportional to 354,945.52, 532,107.24 and 133,485.04 is: 200,110.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,945.52 : 532,107.24 = 133,485.04 : x
  2. Step 2: Convert to fraction form
    354,945.52/532,107.24 = 133,485.04/x
  3. Step 3: Cross multiply
    354,945.52x = 532,107.24 × 133,485.04
  4. Step 4: Simplify right side
    354,945.52x = 71,028,356,215.69
  5. Step 5: Solve for x
    x = 71,028,356,215.69/354,945.52
  6. Step 6: Final answer
    x = 200,110.59

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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.