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Finding the Fourth Proportional to 198,771.01, 298,037.95 and 134,807.95

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Solution

The fourth proportional to 198,771.01, 298,037.95 and 134,807.95 is: 202,131.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,771.01 : 298,037.95 = 134,807.95 : x
  2. Step 2: Convert to fraction form
    198,771.01/298,037.95 = 134,807.95/x
  3. Step 3: Cross multiply
    198,771.01x = 298,037.95 × 134,807.95
  4. Step 4: Simplify right side
    198,771.01x = 40,177,885,061.70
  5. Step 5: Solve for x
    x = 40,177,885,061.70/198,771.01
  6. Step 6: Final answer
    x = 202,131.51

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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.