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Finding the Fourth Proportional to 60,133.92, 90,175.48 and 18,019.99

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Solution

The fourth proportional to 60,133.92, 90,175.48 and 18,019.99 is: 27,022.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,133.92 : 90,175.48 = 18,019.99 : x
  2. Step 2: Convert to fraction form
    60,133.92/90,175.48 = 18,019.99/x
  3. Step 3: Cross multiply
    60,133.92x = 90,175.48 × 18,019.99
  4. Step 4: Simplify right side
    60,133.92x = 1,624,961,247.85
  5. Step 5: Solve for x
    x = 1,624,961,247.85/60,133.92
  6. Step 6: Final answer
    x = 27,022.37

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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.