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Finding the Fourth Proportional to 222,465.40, 333,629.93 and 80,293.31

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Solution

The fourth proportional to 222,465.40, 333,629.93 and 80,293.31 is: 120,415.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,465.40 : 333,629.93 = 80,293.31 : x
  2. Step 2: Convert to fraction form
    222,465.40/333,629.93 = 80,293.31/x
  3. Step 3: Cross multiply
    222,465.40x = 333,629.93 × 80,293.31
  4. Step 4: Simplify right side
    222,465.40x = 26,788,252,021.40
  5. Step 5: Solve for x
    x = 26,788,252,021.40/222,465.40
  6. Step 6: Final answer
    x = 120,415.36

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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.