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Finding the Fourth Proportional to 222,419.70, 333,629.55 and 163,370.70

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Solution

The fourth proportional to 222,419.70, 333,629.55 and 163,370.70 is: 245,056.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,419.70 : 333,629.55 = 163,370.70 : x
  2. Step 2: Convert to fraction form
    222,419.70/333,629.55 = 163,370.70/x
  3. Step 3: Cross multiply
    222,419.70x = 333,629.55 × 163,370.70
  4. Step 4: Simplify right side
    222,419.70x = 54,505,293,124.19
  5. Step 5: Solve for x
    x = 54,505,293,124.19/222,419.70
  6. Step 6: Final answer
    x = 245,056.05

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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.