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Finding the Fourth Proportional to 96,563.70, 144,845.55 and 30,003.30

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Solution

The fourth proportional to 96,563.70, 144,845.55 and 30,003.30 is: 45,004.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,563.70 : 144,845.55 = 30,003.30 : x
  2. Step 2: Convert to fraction form
    96,563.70/144,845.55 = 30,003.30/x
  3. Step 3: Cross multiply
    96,563.70x = 144,845.55 × 30,003.30
  4. Step 4: Simplify right side
    96,563.70x = 4,345,844,490.32
  5. Step 5: Solve for x
    x = 4,345,844,490.32/96,563.70
  6. Step 6: Final answer
    x = 45,004.95

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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.