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Finding the Fourth Proportional to 171,193.50, 256,791.06 and 60,385.50

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Solution

The fourth proportional to 171,193.50, 256,791.06 and 60,385.50 is: 90,578.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,193.50 : 256,791.06 = 60,385.50 : x
  2. Step 2: Convert to fraction form
    171,193.50/256,791.06 = 60,385.50/x
  3. Step 3: Cross multiply
    171,193.50x = 256,791.06 × 60,385.50
  4. Step 4: Simplify right side
    171,193.50x = 15,506,456,553.63
  5. Step 5: Solve for x
    x = 15,506,456,553.63/171,193.50
  6. Step 6: Final answer
    x = 90,578.54

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1.5x scale

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.