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Finding the Fourth Proportional to 222,035.76, 306,409.13 and 120,060.97

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Solution

The fourth proportional to 222,035.76, 306,409.13 and 120,060.97 is: 165,684.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,035.76 : 306,409.13 = 120,060.97 : x
  2. Step 2: Convert to fraction form
    222,035.76/306,409.13 = 120,060.97/x
  3. Step 3: Cross multiply
    222,035.76x = 306,409.13 × 120,060.97
  4. Step 4: Simplify right side
    222,035.76x = 36,787,777,530.37
  5. Step 5: Solve for x
    x = 36,787,777,530.37/222,035.76
  6. Step 6: Final answer
    x = 165,684.02

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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.