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Finding the Fourth Proportional to 90,027, 124,237.26 and 50,283

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Solution

The fourth proportional to 90,027, 124,237.26 and 50,283 is: 69,390.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,027 : 124,237.26 = 50,283 : x
  2. Step 2: Convert to fraction form
    90,027/124,237.26 = 50,283/x
  3. Step 3: Cross multiply
    90,027x = 124,237.26 × 50,283
  4. Step 4: Simplify right side
    90,027x = 6,247,022,144.58
  5. Step 5: Solve for x
    x = 6,247,022,144.58/90,027
  6. Step 6: Final answer
    x = 69,390.54

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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.