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Finding the Fourth Proportional to 171,793.76, 237,138.33 and 103,813.30

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Solution

The fourth proportional to 171,793.76, 237,138.33 and 103,813.30 is: 143,300.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,793.76 : 237,138.33 = 103,813.30 : x
  2. Step 2: Convert to fraction form
    171,793.76/237,138.33 = 103,813.30/x
  3. Step 3: Cross multiply
    171,793.76x = 237,138.33 × 103,813.30
  4. Step 4: Simplify right side
    171,793.76x = 24,618,111,408.10
  5. Step 5: Solve for x
    x = 24,618,111,408.10/171,793.76
  6. Step 6: Final answer
    x = 143,300.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.