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Finding the Fourth Proportional to 222,641.76, 307,540.08 and 165,954.72

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Solution

The fourth proportional to 222,641.76, 307,540.08 and 165,954.72 is: 229,236.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,641.76 : 307,540.08 = 165,954.72 : x
  2. Step 2: Convert to fraction form
    222,641.76/307,540.08 = 165,954.72/x
  3. Step 3: Cross multiply
    222,641.76x = 307,540.08 × 165,954.72
  4. Step 4: Simplify right side
    222,641.76x = 51,037,727,865.18
  5. Step 5: Solve for x
    x = 51,037,727,865.18/222,641.76
  6. Step 6: Final answer
    x = 229,236.99

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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.