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Finding the Fourth Proportional to 68,323.53, 102,524.18 and 54,560.01

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Solution

The fourth proportional to 68,323.53, 102,524.18 and 54,560.01 is: 81,871.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,323.53 : 102,524.18 = 54,560.01 : x
  2. Step 2: Convert to fraction form
    68,323.53/102,524.18 = 54,560.01/x
  3. Step 3: Cross multiply
    68,323.53x = 102,524.18 × 54,560.01
  4. Step 4: Simplify right side
    68,323.53x = 5,593,720,013.24
  5. Step 5: Solve for x
    x = 5,593,720,013.24/68,323.53
  6. Step 6: Final answer
    x = 81,871.06

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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.