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Finding the Fourth Proportional to 262,649.68, 393,343.23 and 149,988.82

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Solution

The fourth proportional to 262,649.68, 393,343.23 and 149,988.82 is: 224,622.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,649.68 : 393,343.23 = 149,988.82 : x
  2. Step 2: Convert to fraction form
    262,649.68/393,343.23 = 149,988.82/x
  3. Step 3: Cross multiply
    262,649.68x = 393,343.23 × 149,988.82
  4. Step 4: Simplify right side
    262,649.68x = 58,997,086,922.69
  5. Step 5: Solve for x
    x = 58,997,086,922.69/262,649.68
  6. Step 6: Final answer
    x = 224,622.73

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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.