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Finding the Fourth Proportional to 101,103.44, 151,748.24 and 51,218.24

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Solution

The fourth proportional to 101,103.44, 151,748.24 and 51,218.24 is: 76,874.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,103.44 : 151,748.24 = 51,218.24 : x
  2. Step 2: Convert to fraction form
    101,103.44/151,748.24 = 51,218.24/x
  3. Step 3: Cross multiply
    101,103.44x = 151,748.24 × 51,218.24
  4. Step 4: Simplify right side
    101,103.44x = 7,772,276,761.07
  5. Step 5: Solve for x
    x = 7,772,276,761.07/101,103.44
  6. Step 6: Final answer
    x = 76,874.51

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1.5x scale

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.