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Finding the Fourth Proportional to 55,825.20, 83,608.20 and 54,529.20

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Solution

The fourth proportional to 55,825.20, 83,608.20 and 54,529.20 is: 81,667.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,825.20 : 83,608.20 = 54,529.20 : x
  2. Step 2: Convert to fraction form
    55,825.20/83,608.20 = 54,529.20/x
  3. Step 3: Cross multiply
    55,825.20x = 83,608.20 × 54,529.20
  4. Step 4: Simplify right side
    55,825.20x = 4,559,088,259.44
  5. Step 5: Solve for x
    x = 4,559,088,259.44/55,825.20
  6. Step 6: Final answer
    x = 81,667.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.