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Finding the Fourth Proportional to 222,193, 306,632.82 and 121,597.48

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Solution

The fourth proportional to 222,193, 306,632.82 and 121,597.48 is: 167,808.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,193 : 306,632.82 = 121,597.48 : x
  2. Step 2: Convert to fraction form
    222,193/306,632.82 = 121,597.48/x
  3. Step 3: Cross multiply
    222,193x = 306,632.82 × 121,597.48
  4. Step 4: Simplify right side
    222,193x = 37,285,778,197.29
  5. Step 5: Solve for x
    x = 37,285,778,197.29/222,193
  6. Step 6: Final answer
    x = 167,808.07

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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.