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Finding the Fourth Proportional to 295,871.24, 443,763.12 and 108,839

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Solution

The fourth proportional to 295,871.24, 443,763.12 and 108,839 is: 163,242.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,871.24 : 443,763.12 = 108,839 : x
  2. Step 2: Convert to fraction form
    295,871.24/443,763.12 = 108,839/x
  3. Step 3: Cross multiply
    295,871.24x = 443,763.12 × 108,839
  4. Step 4: Simplify right side
    295,871.24x = 48,298,734,217.68
  5. Step 5: Solve for x
    x = 48,298,734,217.68/295,871.24
  6. Step 6: Final answer
    x = 163,242.41

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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.