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Finding the Fourth Proportional to 192,092.40, 288,181.80 and 58,978.80

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Solution

The fourth proportional to 192,092.40, 288,181.80 and 58,978.80 is: 88,481.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,092.40 : 288,181.80 = 58,978.80 : x
  2. Step 2: Convert to fraction form
    192,092.40/288,181.80 = 58,978.80/x
  3. Step 3: Cross multiply
    192,092.40x = 288,181.80 × 58,978.80
  4. Step 4: Simplify right side
    192,092.40x = 16,996,616,745.84
  5. Step 5: Solve for x
    x = 16,996,616,745.84/192,092.40
  6. Step 6: Final answer
    x = 88,481.46

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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.