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Finding the Fourth Proportional to 103,896.56, 143,377.29 and 59,184.56

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Solution

The fourth proportional to 103,896.56, 143,377.29 and 59,184.56 is: 81,674.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,896.56 : 143,377.29 = 59,184.56 : x
  2. Step 2: Convert to fraction form
    103,896.56/143,377.29 = 59,184.56/x
  3. Step 3: Cross multiply
    103,896.56x = 143,377.29 × 59,184.56
  4. Step 4: Simplify right side
    103,896.56x = 8,485,722,181.09
  5. Step 5: Solve for x
    x = 8,485,722,181.09/103,896.56
  6. Step 6: Final answer
    x = 81,674.72

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Why These Related Problems?

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