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Finding the Fourth Proportional to 163,043.10, 244,273.05 and 100,640.70

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Solution

The fourth proportional to 163,043.10, 244,273.05 and 100,640.70 is: 150,781.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,043.10 : 244,273.05 = 100,640.70 : x
  2. Step 2: Convert to fraction form
    163,043.10/244,273.05 = 100,640.70/x
  3. Step 3: Cross multiply
    163,043.10x = 244,273.05 × 100,640.70
  4. Step 4: Simplify right side
    163,043.10x = 24,583,810,743.14
  5. Step 5: Solve for x
    x = 24,583,810,743.14/163,043.10
  6. Step 6: Final answer
    x = 150,781.06

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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.