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Finding the Fourth Proportional to 163,003.56, 244,563.20 and 73,039.20

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Solution

The fourth proportional to 163,003.56, 244,563.20 and 73,039.20 is: 109,584.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,003.56 : 244,563.20 = 73,039.20 : x
  2. Step 2: Convert to fraction form
    163,003.56/244,563.20 = 73,039.20/x
  3. Step 3: Cross multiply
    163,003.56x = 244,563.20 × 73,039.20
  4. Step 4: Simplify right side
    163,003.56x = 17,862,700,112.24
  5. Step 5: Solve for x
    x = 17,862,700,112.24/163,003.56
  6. Step 6: Final answer
    x = 109,584.72

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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.