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Finding the Fourth Proportional to 222,812.70, 334,071.45 and 123,020.70

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Solution

The fourth proportional to 222,812.70, 334,071.45 and 123,020.70 is: 184,449.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,812.70 : 334,071.45 = 123,020.70 : x
  2. Step 2: Convert to fraction form
    222,812.70/334,071.45 = 123,020.70/x
  3. Step 3: Cross multiply
    222,812.70x = 334,071.45 × 123,020.70
  4. Step 4: Simplify right side
    222,812.70x = 41,097,703,629.02
  5. Step 5: Solve for x
    x = 41,097,703,629.02/222,812.70
  6. Step 6: Final answer
    x = 184,449.56

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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.