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Finding the Fourth Proportional to 263,606.06, 363,783.13 and 161,687.84

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Solution

The fourth proportional to 263,606.06, 363,783.13 and 161,687.84 is: 223,133.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,606.06 : 363,783.13 = 161,687.84 : x
  2. Step 2: Convert to fraction form
    263,606.06/363,783.13 = 161,687.84/x
  3. Step 3: Cross multiply
    263,606.06x = 363,783.13 × 161,687.84
  4. Step 4: Simplify right side
    263,606.06x = 58,819,306,295.00
  5. Step 5: Solve for x
    x = 58,819,306,295.00/263,606.06
  6. Step 6: Final answer
    x = 223,133.36

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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.