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Finding the Fourth Proportional to 292,209.52, 403,245.21 and 163,149.97

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Solution

The fourth proportional to 292,209.52, 403,245.21 and 163,149.97 is: 225,144.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,209.52 : 403,245.21 = 163,149.97 : x
  2. Step 2: Convert to fraction form
    292,209.52/403,245.21 = 163,149.97/x
  3. Step 3: Cross multiply
    292,209.52x = 403,245.21 × 163,149.97
  4. Step 4: Simplify right side
    292,209.52x = 65,789,443,914.14
  5. Step 5: Solve for x
    x = 65,789,443,914.14/292,209.52
  6. Step 6: Final answer
    x = 225,144.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.