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Finding the Fourth Proportional to 222,194.56, 333,143.52 and 122,402.56

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Solution

The fourth proportional to 222,194.56, 333,143.52 and 122,402.56 is: 183,522.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,194.56 : 333,143.52 = 122,402.56 : x
  2. Step 2: Convert to fraction form
    222,194.56/333,143.52 = 122,402.56/x
  3. Step 3: Cross multiply
    222,194.56x = 333,143.52 × 122,402.56
  4. Step 4: Simplify right side
    222,194.56x = 40,777,619,695.41
  5. Step 5: Solve for x
    x = 40,777,619,695.41/222,194.56
  6. Step 6: Final answer
    x = 183,522.13

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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.