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Finding the Fourth Proportional to 201,442.67, 302,167.49 and 68,326.37

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Solution

The fourth proportional to 201,442.67, 302,167.49 and 68,326.37 is: 102,490.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,442.67 : 302,167.49 = 68,326.37 : x
  2. Step 2: Convert to fraction form
    201,442.67/302,167.49 = 68,326.37/x
  3. Step 3: Cross multiply
    201,442.67x = 302,167.49 × 68,326.37
  4. Step 4: Simplify right side
    201,442.67x = 20,646,007,723.71
  5. Step 5: Solve for x
    x = 20,646,007,723.71/201,442.67
  6. Step 6: Final answer
    x = 102,490.74

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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.