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Finding the Fourth Proportional to 68,163.98, 94,057.83 and 39,483.27

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Solution

The fourth proportional to 68,163.98, 94,057.83 and 39,483.27 is: 54,482.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,163.98 : 94,057.83 = 39,483.27 : x
  2. Step 2: Convert to fraction form
    68,163.98/94,057.83 = 39,483.27/x
  3. Step 3: Cross multiply
    68,163.98x = 94,057.83 × 39,483.27
  4. Step 4: Simplify right side
    68,163.98x = 3,713,710,697.50
  5. Step 5: Solve for x
    x = 3,713,710,697.50/68,163.98
  6. Step 6: Final answer
    x = 54,482.01

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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.