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Finding the Fourth Proportional to 297,801.05, 410,969.45 and 161,837.69

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Solution

The fourth proportional to 297,801.05, 410,969.45 and 161,837.69 is: 223,338.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,801.05 : 410,969.45 = 161,837.69 : x
  2. Step 2: Convert to fraction form
    297,801.05/410,969.45 = 161,837.69/x
  3. Step 3: Cross multiply
    297,801.05x = 410,969.45 × 161,837.69
  4. Step 4: Simplify right side
    297,801.05x = 66,510,343,584.53
  5. Step 5: Solve for x
    x = 66,510,343,584.53/297,801.05
  6. Step 6: Final answer
    x = 223,338.18

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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.