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Finding the Fourth Proportional to 235,559.82, 354,621.20 and 214,634.52

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Solution

The fourth proportional to 235,559.82, 354,621.20 and 214,634.52 is: 323,119.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,559.82 : 354,621.20 = 214,634.52 : x
  2. Step 2: Convert to fraction form
    235,559.82/354,621.20 = 214,634.52/x
  3. Step 3: Cross multiply
    235,559.82x = 354,621.20 × 214,634.52
  4. Step 4: Simplify right side
    235,559.82x = 76,113,951,043.82
  5. Step 5: Solve for x
    x = 76,113,951,043.82/235,559.82
  6. Step 6: Final answer
    x = 323,119.41

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.