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Finding the Fourth Proportional to 198,610.80, 297,923.40 and 58,383.60

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Solution

The fourth proportional to 198,610.80, 297,923.40 and 58,383.60 is: 87,577.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,610.80 : 297,923.40 = 58,383.60 : x
  2. Step 2: Convert to fraction form
    198,610.80/297,923.40 = 58,383.60/x
  3. Step 3: Cross multiply
    198,610.80x = 297,923.40 × 58,383.60
  4. Step 4: Simplify right side
    198,610.80x = 17,393,840,616.24
  5. Step 5: Solve for x
    x = 17,393,840,616.24/198,610.80
  6. Step 6: Final answer
    x = 87,577.52

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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.