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Finding the Fourth Proportional to 101,322.87, 151,986.90 and 48,002.36

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Solution

The fourth proportional to 101,322.87, 151,986.90 and 48,002.36 is: 72,004.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,322.87 : 151,986.90 = 48,002.36 : x
  2. Step 2: Convert to fraction form
    101,322.87/151,986.90 = 48,002.36/x
  3. Step 3: Cross multiply
    101,322.87x = 151,986.90 × 48,002.36
  4. Step 4: Simplify right side
    101,322.87x = 7,295,729,039.15
  5. Step 5: Solve for x
    x = 7,295,729,039.15/101,322.87
  6. Step 6: Final answer
    x = 72,004.76

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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.