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Finding the Fourth Proportional to 222,720.30, 334,080.45 and 146,612.70

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Solution

The fourth proportional to 222,720.30, 334,080.45 and 146,612.70 is: 219,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,720.30 : 334,080.45 = 146,612.70 : x
  2. Step 2: Convert to fraction form
    222,720.30/334,080.45 = 146,612.70/x
  3. Step 3: Cross multiply
    222,720.30x = 334,080.45 × 146,612.70
  4. Step 4: Simplify right side
    222,720.30x = 48,980,436,791.72
  5. Step 5: Solve for x
    x = 48,980,436,791.72/222,720.30
  6. Step 6: Final answer
    x = 219,919.05

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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.