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Finding the Fourth Proportional to 219,994.43, 329,742.53 and 151,654.44

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Solution

The fourth proportional to 219,994.43, 329,742.53 and 151,654.44 is: 227,309.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,994.43 : 329,742.53 = 151,654.44 : x
  2. Step 2: Convert to fraction form
    219,994.43/329,742.53 = 151,654.44/x
  3. Step 3: Cross multiply
    219,994.43x = 329,742.53 × 151,654.44
  4. Step 4: Simplify right side
    219,994.43x = 50,006,919,026.99
  5. Step 5: Solve for x
    x = 50,006,919,026.99/219,994.43
  6. Step 6: Final answer
    x = 227,309.93

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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.