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Finding the Fourth Proportional to 253,161.58, 349,363.08 and 144,262.81

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Solution

The fourth proportional to 253,161.58, 349,363.08 and 144,262.81 is: 199,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,161.58 : 349,363.08 = 144,262.81 : x
  2. Step 2: Convert to fraction form
    253,161.58/349,363.08 = 144,262.81/x
  3. Step 3: Cross multiply
    253,161.58x = 349,363.08 × 144,262.81
  4. Step 4: Simplify right side
    253,161.58x = 50,400,099,631.05
  5. Step 5: Solve for x
    x = 50,400,099,631.05/253,161.58
  6. Step 6: Final answer
    x = 199,082.73

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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.