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Finding the Fourth Proportional to 222,138.86, 333,060.66 and 122,346.05

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Solution

The fourth proportional to 222,138.86, 333,060.66 and 122,346.05 is: 183,437.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,138.86 : 333,060.66 = 122,346.05 : x
  2. Step 2: Convert to fraction form
    222,138.86/333,060.66 = 122,346.05/x
  3. Step 3: Cross multiply
    222,138.86x = 333,060.66 × 122,346.05
  4. Step 4: Simplify right side
    222,138.86x = 40,748,654,496.09
  5. Step 5: Solve for x
    x = 40,748,654,496.09/222,138.86
  6. Step 6: Final answer
    x = 183,437.76

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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.