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Finding the Fourth Proportional to 198,003.40, 296,990.17 and 63,062.02

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Solution

The fourth proportional to 198,003.40, 296,990.17 and 63,062.02 is: 94,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,003.40 : 296,990.17 = 63,062.02 : x
  2. Step 2: Convert to fraction form
    198,003.40/296,990.17 = 63,062.02/x
  3. Step 3: Cross multiply
    198,003.40x = 296,990.17 × 63,062.02
  4. Step 4: Simplify right side
    198,003.40x = 18,728,799,725.03
  5. Step 5: Solve for x
    x = 18,728,799,725.03/198,003.40
  6. Step 6: Final answer
    x = 94,588.28

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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.