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Finding the Fourth Proportional to 198,684.99, 298,042.11 and 58,449.69

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Solution

The fourth proportional to 198,684.99, 298,042.11 and 58,449.69 is: 87,678.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,684.99 : 298,042.11 = 58,449.69 : x
  2. Step 2: Convert to fraction form
    198,684.99/298,042.11 = 58,449.69/x
  3. Step 3: Cross multiply
    198,684.99x = 298,042.11 × 58,449.69
  4. Step 4: Simplify right side
    198,684.99x = 17,420,468,936.45
  5. Step 5: Solve for x
    x = 17,420,468,936.45/198,684.99
  6. Step 6: Final answer
    x = 87,678.84

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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.