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Finding the Fourth Proportional to 443,242.13, 664,863.19 and 110,818.13

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Solution

The fourth proportional to 443,242.13, 664,863.19 and 110,818.13 is: 166,227.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,242.13 : 664,863.19 = 110,818.13 : x
  2. Step 2: Convert to fraction form
    443,242.13/664,863.19 = 110,818.13/x
  3. Step 3: Cross multiply
    443,242.13x = 664,863.19 × 110,818.13
  4. Step 4: Simplify right side
    443,242.13x = 73,678,891,820.27
  5. Step 5: Solve for x
    x = 73,678,891,820.27/443,242.13
  6. Step 6: Final answer
    x = 166,227.19

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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.