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Finding the Fourth Proportional to 222,645.60, 334,053 and 133,960.32

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Solution

The fourth proportional to 222,645.60, 334,053 and 133,960.32 is: 200,991.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,645.60 : 334,053 = 133,960.32 : x
  2. Step 2: Convert to fraction form
    222,645.60/334,053 = 133,960.32/x
  3. Step 3: Cross multiply
    222,645.60x = 334,053 × 133,960.32
  4. Step 4: Simplify right side
    222,645.60x = 44,749,846,776.96
  5. Step 5: Solve for x
    x = 44,749,846,776.96/222,645.60
  6. Step 6: Final answer
    x = 200,991.38

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1.5x scale

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.