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Finding the Fourth Proportional to 222,544.14, 307,109.62 and 120,571.62

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Solution

The fourth proportional to 222,544.14, 307,109.62 and 120,571.62 is: 166,388.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,544.14 : 307,109.62 = 120,571.62 : x
  2. Step 2: Convert to fraction form
    222,544.14/307,109.62 = 120,571.62/x
  3. Step 3: Cross multiply
    222,544.14x = 307,109.62 × 120,571.62
  4. Step 4: Simplify right side
    222,544.14x = 37,028,704,400.98
  5. Step 5: Solve for x
    x = 37,028,704,400.98/222,544.14
  6. Step 6: Final answer
    x = 166,388.13

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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.