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Finding the Fourth Proportional to 222,175.00, 306,600.69 and 120,200.50

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Solution

The fourth proportional to 222,175.00, 306,600.69 and 120,200.50 is: 165,876.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,175.00 : 306,600.69 = 120,200.50 : x
  2. Step 2: Convert to fraction form
    222,175.00/306,600.69 = 120,200.50/x
  3. Step 3: Cross multiply
    222,175.00x = 306,600.69 × 120,200.50
  4. Step 4: Simplify right side
    222,175.00x = 36,853,557,072.35
  5. Step 5: Solve for x
    x = 36,853,557,072.35/222,175.00
  6. Step 6: Final answer
    x = 165,876.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.