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Finding the Fourth Proportional to 163,069.34, 244,687.50 and 74,311.43

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Solution

The fourth proportional to 163,069.34, 244,687.50 and 74,311.43 is: 111,505.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,069.34 : 244,687.50 = 74,311.43 : x
  2. Step 2: Convert to fraction form
    163,069.34/244,687.50 = 74,311.43/x
  3. Step 3: Cross multiply
    163,069.34x = 244,687.50 × 74,311.43
  4. Step 4: Simplify right side
    163,069.34x = 18,183,076,804.69
  5. Step 5: Solve for x
    x = 18,183,076,804.69/163,069.34
  6. Step 6: Final answer
    x = 111,505.19

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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.