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Finding the Fourth Proportional to 222,695.60, 334,302.60 and 134,049.20

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Solution

The fourth proportional to 222,695.60, 334,302.60 and 134,049.20 is: 201,229.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,695.60 : 334,302.60 = 134,049.20 : x
  2. Step 2: Convert to fraction form
    222,695.60/334,302.60 = 134,049.20/x
  3. Step 3: Cross multiply
    222,695.60x = 334,302.60 × 134,049.20
  4. Step 4: Simplify right side
    222,695.60x = 44,812,996,087.92
  5. Step 5: Solve for x
    x = 44,812,996,087.92/222,695.60
  6. Step 6: Final answer
    x = 201,229.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.