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Finding the Fourth Proportional to 235,184.54, 324,689.31 and 154,845.59

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Solution

The fourth proportional to 235,184.54, 324,689.31 and 154,845.59 is: 213,775.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,184.54 : 324,689.31 = 154,845.59 : x
  2. Step 2: Convert to fraction form
    235,184.54/324,689.31 = 154,845.59/x
  3. Step 3: Cross multiply
    235,184.54x = 324,689.31 × 154,845.59
  4. Step 4: Simplify right side
    235,184.54x = 50,276,706,150.20
  5. Step 5: Solve for x
    x = 50,276,706,150.20/235,184.54
  6. Step 6: Final answer
    x = 213,775.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.