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Finding the Fourth Proportional to 251,255.70, 376,837.08 and 114,446.54

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Solution

The fourth proportional to 251,255.70, 376,837.08 and 114,446.54 is: 171,648.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,255.70 : 376,837.08 = 114,446.54 : x
  2. Step 2: Convert to fraction form
    251,255.70/376,837.08 = 114,446.54/x
  3. Step 3: Cross multiply
    251,255.70x = 376,837.08 × 114,446.54
  4. Step 4: Simplify right side
    251,255.70x = 43,127,699,949.70
  5. Step 5: Solve for x
    x = 43,127,699,949.70/251,255.70
  6. Step 6: Final answer
    x = 171,648.64

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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.