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Finding the Fourth Proportional to 222,467.94, 307,004.18 and 120,491.06

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Solution

The fourth proportional to 222,467.94, 307,004.18 and 120,491.06 is: 166,276.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,467.94 : 307,004.18 = 120,491.06 : x
  2. Step 2: Convert to fraction form
    222,467.94/307,004.18 = 120,491.06/x
  3. Step 3: Cross multiply
    222,467.94x = 307,004.18 × 120,491.06
  4. Step 4: Simplify right side
    222,467.94x = 36,991,259,072.63
  5. Step 5: Solve for x
    x = 36,991,259,072.63/222,467.94
  6. Step 6: Final answer
    x = 166,276.81

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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.