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Finding the Fourth Proportional to 101,137.46, 151,736.36 and 30,062.45

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Solution

The fourth proportional to 101,137.46, 151,736.36 and 30,062.45 is: 45,102.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,137.46 : 151,736.36 = 30,062.45 : x
  2. Step 2: Convert to fraction form
    101,137.46/151,736.36 = 30,062.45/x
  3. Step 3: Cross multiply
    101,137.46x = 151,736.36 × 30,062.45
  4. Step 4: Simplify right side
    101,137.46x = 4,561,565,826.69
  5. Step 5: Solve for x
    x = 4,561,565,826.69/101,137.46
  6. Step 6: Final answer
    x = 45,102.64

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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.