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Finding the Fourth Proportional to 101,324.37, 151,989.15 and 48,003.86

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Solution

The fourth proportional to 101,324.37, 151,989.15 and 48,003.86 is: 72,007.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,324.37 : 151,989.15 = 48,003.86 : x
  2. Step 2: Convert to fraction form
    101,324.37/151,989.15 = 48,003.86/x
  3. Step 3: Cross multiply
    101,324.37x = 151,989.15 × 48,003.86
  4. Step 4: Simplify right side
    101,324.37x = 7,296,065,878.12
  5. Step 5: Solve for x
    x = 7,296,065,878.12/101,324.37
  6. Step 6: Final answer
    x = 72,007.02

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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.