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Finding the Fourth Proportional to 340,161.06, 510,133.32 and 112,414.44

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Solution

The fourth proportional to 340,161.06, 510,133.32 and 112,414.44 is: 168,585.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,161.06 : 510,133.32 = 112,414.44 : x
  2. Step 2: Convert to fraction form
    340,161.06/510,133.32 = 112,414.44/x
  3. Step 3: Cross multiply
    340,161.06x = 510,133.32 × 112,414.44
  4. Step 4: Simplify right side
    340,161.06x = 57,346,351,493.14
  5. Step 5: Solve for x
    x = 57,346,351,493.14/340,161.06
  6. Step 6: Final answer
    x = 168,585.88

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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.