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Finding the Fourth Proportional to 198,590.73, 297,657.73 and 91,750.24

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Solution

The fourth proportional to 198,590.73, 297,657.73 and 91,750.24 is: 137,519.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,590.73 : 297,657.73 = 91,750.24 : x
  2. Step 2: Convert to fraction form
    198,590.73/297,657.73 = 91,750.24/x
  3. Step 3: Cross multiply
    198,590.73x = 297,657.73 × 91,750.24
  4. Step 4: Simplify right side
    198,590.73x = 27,310,168,652.12
  5. Step 5: Solve for x
    x = 27,310,168,652.12/198,590.73
  6. Step 6: Final answer
    x = 137,519.86

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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.