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Finding the Fourth Proportional to 101,317.12, 151,983.27 and 30,234.15

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Solution

The fourth proportional to 101,317.12, 151,983.27 and 30,234.15 is: 45,353.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,317.12 : 151,983.27 = 30,234.15 : x
  2. Step 2: Convert to fraction form
    101,317.12/151,983.27 = 30,234.15/x
  3. Step 3: Cross multiply
    101,317.12x = 151,983.27 × 30,234.15
  4. Step 4: Simplify right side
    101,317.12x = 4,595,084,982.67
  5. Step 5: Solve for x
    x = 4,595,084,982.67/101,317.12
  6. Step 6: Final answer
    x = 45,353.49

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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.