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Finding the Fourth Proportional to 222,294.25, 306,766.07 and 121,692.25

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Solution

The fourth proportional to 222,294.25, 306,766.07 and 121,692.25 is: 167,935.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,294.25 : 306,766.07 = 121,692.25 : x
  2. Step 2: Convert to fraction form
    222,294.25/306,766.07 = 121,692.25/x
  3. Step 3: Cross multiply
    222,294.25x = 306,766.07 × 121,692.25
  4. Step 4: Simplify right side
    222,294.25x = 37,331,053,281.96
  5. Step 5: Solve for x
    x = 37,331,053,281.96/222,294.25
  6. Step 6: Final answer
    x = 167,935.31

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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.