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Finding the Fourth Proportional to 101,324.87, 151,989.90 and 48,004.36

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Solution

The fourth proportional to 101,324.87, 151,989.90 and 48,004.36 is: 72,007.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,324.87 : 151,989.90 = 48,004.36 : x
  2. Step 2: Convert to fraction form
    101,324.87/151,989.90 = 48,004.36/x
  3. Step 3: Cross multiply
    101,324.87x = 151,989.90 × 48,004.36
  4. Step 4: Simplify right side
    101,324.87x = 7,296,177,875.96
  5. Step 5: Solve for x
    x = 7,296,177,875.96/101,324.87
  6. Step 6: Final answer
    x = 72,007.77

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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.