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Finding the Fourth Proportional to 251,102.46, 346,522.83 and 136,385.46

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Solution

The fourth proportional to 251,102.46, 346,522.83 and 136,385.46 is: 188,212.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,102.46 : 346,522.83 = 136,385.46 : x
  2. Step 2: Convert to fraction form
    251,102.46/346,522.83 = 136,385.46/x
  3. Step 3: Cross multiply
    251,102.46x = 346,522.83 × 136,385.46
  4. Step 4: Simplify right side
    251,102.46x = 47,260,675,570.05
  5. Step 5: Solve for x
    x = 47,260,675,570.05/251,102.46
  6. Step 6: Final answer
    x = 188,212.71

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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.