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Finding the Fourth Proportional to 295,086.62, 443,072.74 and 168,869.38

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Solution

The fourth proportional to 295,086.62, 443,072.74 and 168,869.38 is: 253,557.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,086.62 : 443,072.74 = 168,869.38 : x
  2. Step 2: Convert to fraction form
    295,086.62/443,072.74 = 168,869.38/x
  3. Step 3: Cross multiply
    295,086.62x = 443,072.74 × 168,869.38
  4. Step 4: Simplify right side
    295,086.62x = 74,821,418,898.70
  5. Step 5: Solve for x
    x = 74,821,418,898.70/295,086.62
  6. Step 6: Final answer
    x = 253,557.48

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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.