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Finding the Fourth Proportional to 222,236.52, 306,684.02 and 120,259.74

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Solution

The fourth proportional to 222,236.52, 306,684.02 and 120,259.74 is: 165,957.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,236.52 : 306,684.02 = 120,259.74 : x
  2. Step 2: Convert to fraction form
    222,236.52/306,684.02 = 120,259.74/x
  3. Step 3: Cross multiply
    222,236.52x = 306,684.02 × 120,259.74
  4. Step 4: Simplify right side
    222,236.52x = 36,881,740,507.35
  5. Step 5: Solve for x
    x = 36,881,740,507.35/222,236.52
  6. Step 6: Final answer
    x = 165,957.15

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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.