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Finding the Fourth Proportional to 253,491.30, 349,849.26 and 144,622.44

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Solution

The fourth proportional to 253,491.30, 349,849.26 and 144,622.44 is: 199,596.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,491.30 : 349,849.26 = 144,622.44 : x
  2. Step 2: Convert to fraction form
    253,491.30/349,849.26 = 144,622.44/x
  3. Step 3: Cross multiply
    253,491.30x = 349,849.26 × 144,622.44
  4. Step 4: Simplify right side
    253,491.30x = 50,596,053,613.39
  5. Step 5: Solve for x
    x = 50,596,053,613.39/253,491.30
  6. Step 6: Final answer
    x = 199,596.81

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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.