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Finding the Fourth Proportional to 149,570.52, 224,519.94 and 74,669.64

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Solution

The fourth proportional to 149,570.52, 224,519.94 and 74,669.64 is: 112,086.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,570.52 : 224,519.94 = 74,669.64 : x
  2. Step 2: Convert to fraction form
    149,570.52/224,519.94 = 74,669.64/x
  3. Step 3: Cross multiply
    149,570.52x = 224,519.94 × 74,669.64
  4. Step 4: Simplify right side
    149,570.52x = 16,764,823,092.62
  5. Step 5: Solve for x
    x = 16,764,823,092.62/149,570.52
  6. Step 6: Final answer
    x = 112,086.41

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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.