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Finding the Fourth Proportional to 235,147.72, 352,479.99 and 92,935.21

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Solution

The fourth proportional to 235,147.72, 352,479.99 and 92,935.21 is: 139,307.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,147.72 : 352,479.99 = 92,935.21 : x
  2. Step 2: Convert to fraction form
    235,147.72/352,479.99 = 92,935.21/x
  3. Step 3: Cross multiply
    235,147.72x = 352,479.99 × 92,935.21
  4. Step 4: Simplify right side
    235,147.72x = 32,757,801,891.45
  5. Step 5: Solve for x
    x = 32,757,801,891.45/235,147.72
  6. Step 6: Final answer
    x = 139,307.33

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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.