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Finding the Fourth Proportional to 101,514, 140,150.76 and 66,247.44

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Solution

The fourth proportional to 101,514, 140,150.76 and 66,247.44 is: 91,461.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,514 : 140,150.76 = 66,247.44 : x
  2. Step 2: Convert to fraction form
    101,514/140,150.76 = 66,247.44/x
  3. Step 3: Cross multiply
    101,514x = 140,150.76 × 66,247.44
  4. Step 4: Simplify right side
    101,514x = 9,284,629,064.05
  5. Step 5: Solve for x
    x = 9,284,629,064.05/101,514
  6. Step 6: Final answer
    x = 91,461.56

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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.