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Finding the Fourth Proportional to 222,172.27, 306,597.23 and 121,570.27

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Solution

The fourth proportional to 222,172.27, 306,597.23 and 121,570.27 is: 167,766.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,172.27 : 306,597.23 = 121,570.27 : x
  2. Step 2: Convert to fraction form
    222,172.27/306,597.23 = 121,570.27/x
  3. Step 3: Cross multiply
    222,172.27x = 306,597.23 × 121,570.27
  4. Step 4: Simplify right side
    222,172.27x = 37,273,107,424.50
  5. Step 5: Solve for x
    x = 37,273,107,424.50/222,172.27
  6. Step 6: Final answer
    x = 167,766.69

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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.