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Finding the Fourth Proportional to 239,468.62, 359,342.97 and 132,942.28

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Solution

The fourth proportional to 239,468.62, 359,342.97 and 132,942.28 is: 199,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,468.62 : 359,342.97 = 132,942.28 : x
  2. Step 2: Convert to fraction form
    239,468.62/359,342.97 = 132,942.28/x
  3. Step 3: Cross multiply
    239,468.62x = 359,342.97 × 132,942.28
  4. Step 4: Simplify right side
    239,468.62x = 47,771,873,733.77
  5. Step 5: Solve for x
    x = 47,771,873,733.77/239,468.62
  6. Step 6: Final answer
    x = 199,491.16

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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.