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Finding the Fourth Proportional to 220,770.82, 331,179.92 and 94,424.19

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Solution

The fourth proportional to 220,770.82, 331,179.92 and 94,424.19 is: 141,646.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,770.82 : 331,179.92 = 94,424.19 : x
  2. Step 2: Convert to fraction form
    220,770.82/331,179.92 = 94,424.19/x
  3. Step 3: Cross multiply
    220,770.82x = 331,179.92 × 94,424.19
  4. Step 4: Simplify right side
    220,770.82x = 31,271,395,690.26
  5. Step 5: Solve for x
    x = 31,271,395,690.26/220,770.82
  6. Step 6: Final answer
    x = 141,646.42

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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.