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Finding the Fourth Proportional to 171,797.14, 257,418.69 and 92,948.50

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Solution

The fourth proportional to 171,797.14, 257,418.69 and 92,948.50 is: 139,272.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,797.14 : 257,418.69 = 92,948.50 : x
  2. Step 2: Convert to fraction form
    171,797.14/257,418.69 = 92,948.50/x
  3. Step 3: Cross multiply
    171,797.14x = 257,418.69 × 92,948.50
  4. Step 4: Simplify right side
    171,797.14x = 23,926,681,107.47
  5. Step 5: Solve for x
    x = 23,926,681,107.47/171,797.14
  6. Step 6: Final answer
    x = 139,272.87

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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.