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Finding the Fourth Proportional to 65,253.96, 90,093.78 and 50,119.56

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Solution

The fourth proportional to 65,253.96, 90,093.78 and 50,119.56 is: 69,198.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,253.96 : 90,093.78 = 50,119.56 : x
  2. Step 2: Convert to fraction form
    65,253.96/90,093.78 = 50,119.56/x
  3. Step 3: Cross multiply
    65,253.96x = 90,093.78 × 50,119.56
  4. Step 4: Simplify right side
    65,253.96x = 4,515,460,612.34
  5. Step 5: Solve for x
    x = 4,515,460,612.34/65,253.96
  6. Step 6: Final answer
    x = 69,198.26

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1.5x scale

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.