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Finding the Fourth Proportional to 198,333.40, 297,537.81 and 65,252.02

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Solution

The fourth proportional to 198,333.40, 297,537.81 and 65,252.02 is: 97,890.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,333.40 : 297,537.81 = 65,252.02 : x
  2. Step 2: Convert to fraction form
    198,333.40/297,537.81 = 65,252.02/x
  3. Step 3: Cross multiply
    198,333.40x = 297,537.81 × 65,252.02
  4. Step 4: Simplify right side
    198,333.40x = 19,414,943,128.88
  5. Step 5: Solve for x
    x = 19,414,943,128.88/198,333.40
  6. Step 6: Final answer
    x = 97,890.44

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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.