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Finding the Fourth Proportional to 198,105.48, 297,186.48 and 64,996.14

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Solution

The fourth proportional to 198,105.48, 297,186.48 and 64,996.14 is: 97,503.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,105.48 : 297,186.48 = 64,996.14 : x
  2. Step 2: Convert to fraction form
    198,105.48/297,186.48 = 64,996.14/x
  3. Step 3: Cross multiply
    198,105.48x = 297,186.48 × 64,996.14
  4. Step 4: Simplify right side
    198,105.48x = 19,315,974,060.19
  5. Step 5: Solve for x
    x = 19,315,974,060.19/198,105.48
  6. Step 6: Final answer
    x = 97,503.48

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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.