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Finding the Fourth Proportional to 109,395.99, 150,965.57 and 60,997.34

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Solution

The fourth proportional to 109,395.99, 150,965.57 and 60,997.34 is: 84,175.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,395.99 : 150,965.57 = 60,997.34 : x
  2. Step 2: Convert to fraction form
    109,395.99/150,965.57 = 60,997.34/x
  3. Step 3: Cross multiply
    109,395.99x = 150,965.57 × 60,997.34
  4. Step 4: Simplify right side
    109,395.99x = 9,208,498,731.49
  5. Step 5: Solve for x
    x = 9,208,498,731.49/109,395.99
  6. Step 6: Final answer
    x = 84,175.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.