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Finding the Fourth Proportional to 355,789.94, 533,860.20 and 166,263.37

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Solution

The fourth proportional to 355,789.94, 533,860.20 and 166,263.37 is: 249,476.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,789.94 : 533,860.20 = 166,263.37 : x
  2. Step 2: Convert to fraction form
    355,789.94/533,860.20 = 166,263.37/x
  3. Step 3: Cross multiply
    355,789.94x = 533,860.20 × 166,263.37
  4. Step 4: Simplify right side
    355,789.94x = 88,761,394,626.22
  5. Step 5: Solve for x
    x = 88,761,394,626.22/355,789.94
  6. Step 6: Final answer
    x = 249,476.97

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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.