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Finding the Fourth Proportional to 239,251.69, 358,538.97 and 132,682.51

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Solution

The fourth proportional to 239,251.69, 358,538.97 and 132,682.51 is: 198,836.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,251.69 : 358,538.97 = 132,682.51 : x
  2. Step 2: Convert to fraction form
    239,251.69/358,538.97 = 132,682.51/x
  3. Step 3: Cross multiply
    239,251.69x = 358,538.97 × 132,682.51
  4. Step 4: Simplify right side
    239,251.69x = 47,571,848,679.72
  5. Step 5: Solve for x
    x = 47,571,848,679.72/239,251.69
  6. Step 6: Final answer
    x = 198,836.00

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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.