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Finding the Fourth Proportional to 150,471.36, 207,665.33 and 85,950.24

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Solution

The fourth proportional to 150,471.36, 207,665.33 and 85,950.24 is: 118,619.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,471.36 : 207,665.33 = 85,950.24 : x
  2. Step 2: Convert to fraction form
    150,471.36/207,665.33 = 85,950.24/x
  3. Step 3: Cross multiply
    150,471.36x = 207,665.33 × 85,950.24
  4. Step 4: Simplify right side
    150,471.36x = 17,848,883,744.68
  5. Step 5: Solve for x
    x = 17,848,883,744.68/150,471.36
  6. Step 6: Final answer
    x = 118,619.81

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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.