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Finding the Fourth Proportional to 104,183.10, 143,773.03 and 56,436.30

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Solution

The fourth proportional to 104,183.10, 143,773.03 and 56,436.30 is: 77,882.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,183.10 : 143,773.03 = 56,436.30 : x
  2. Step 2: Convert to fraction form
    104,183.10/143,773.03 = 56,436.30/x
  3. Step 3: Cross multiply
    104,183.10x = 143,773.03 × 56,436.30
  4. Step 4: Simplify right side
    104,183.10x = 8,114,017,852.99
  5. Step 5: Solve for x
    x = 8,114,017,852.99/104,183.10
  6. Step 6: Final answer
    x = 77,882.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.