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Finding the Fourth Proportional to 222,062.21, 333,090.43 and 53,581.11

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Solution

The fourth proportional to 222,062.21, 333,090.43 and 53,581.11 is: 80,370.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,062.21 : 333,090.43 = 53,581.11 : x
  2. Step 2: Convert to fraction form
    222,062.21/333,090.43 = 53,581.11/x
  3. Step 3: Cross multiply
    222,062.21x = 333,090.43 × 53,581.11
  4. Step 4: Simplify right side
    222,062.21x = 17,847,354,835.82
  5. Step 5: Solve for x
    x = 17,847,354,835.82/222,062.21
  6. Step 6: Final answer
    x = 80,370.97

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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.