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Finding the Fourth Proportional to 159,797.82, 239,468.28 and 117,344.82

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Solution

The fourth proportional to 159,797.82, 239,468.28 and 117,344.82 is: 175,849.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,797.82 : 239,468.28 = 117,344.82 : x
  2. Step 2: Convert to fraction form
    159,797.82/239,468.28 = 117,344.82/x
  3. Step 3: Cross multiply
    159,797.82x = 239,468.28 × 117,344.82
  4. Step 4: Simplify right side
    159,797.82x = 28,100,362,212.31
  5. Step 5: Solve for x
    x = 28,100,362,212.31/159,797.82
  6. Step 6: Final answer
    x = 175,849.47

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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.