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Finding the Fourth Proportional to 235,293.13, 324,540.35 and 154,694.89

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Solution

The fourth proportional to 235,293.13, 324,540.35 and 154,694.89 is: 213,371.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,293.13 : 324,540.35 = 154,694.89 : x
  2. Step 2: Convert to fraction form
    235,293.13/324,540.35 = 154,694.89/x
  3. Step 3: Cross multiply
    235,293.13x = 324,540.35 × 154,694.89
  4. Step 4: Simplify right side
    235,293.13x = 50,204,733,743.81
  5. Step 5: Solve for x
    x = 50,204,733,743.81/235,293.13
  6. Step 6: Final answer
    x = 213,371.01

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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.