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Finding the Fourth Proportional to 198,157.77, 297,269.66 and 65,002.28

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Solution

The fourth proportional to 198,157.77, 297,269.66 and 65,002.28 is: 97,514.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,157.77 : 297,269.66 = 65,002.28 : x
  2. Step 2: Convert to fraction form
    198,157.77/297,269.66 = 65,002.28/x
  3. Step 3: Cross multiply
    198,157.77x = 297,269.66 × 65,002.28
  4. Step 4: Simplify right side
    198,157.77x = 19,323,204,350.98
  5. Step 5: Solve for x
    x = 19,323,204,350.98/198,157.77
  6. Step 6: Final answer
    x = 97,514.24

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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.