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Finding the Fourth Proportional to 159,227.84, 219,742.44 and 91,252.64

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Solution

The fourth proportional to 159,227.84, 219,742.44 and 91,252.64 is: 125,933.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,227.84 : 219,742.44 = 91,252.64 : x
  2. Step 2: Convert to fraction form
    159,227.84/219,742.44 = 91,252.64/x
  3. Step 3: Cross multiply
    159,227.84x = 219,742.44 × 91,252.64
  4. Step 4: Simplify right side
    159,227.84x = 20,052,077,770.04
  5. Step 5: Solve for x
    x = 20,052,077,770.04/159,227.84
  6. Step 6: Final answer
    x = 125,933.24

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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.