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Finding the Fourth Proportional to 82,943.37, 124,415.01 and 27,539.37

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Solution

The fourth proportional to 82,943.37, 124,415.01 and 27,539.37 is: 41,309.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,943.37 : 124,415.01 = 27,539.37 : x
  2. Step 2: Convert to fraction form
    82,943.37/124,415.01 = 27,539.37/x
  3. Step 3: Cross multiply
    82,943.37x = 124,415.01 × 27,539.37
  4. Step 4: Simplify right side
    82,943.37x = 3,426,310,993.94
  5. Step 5: Solve for x
    x = 3,426,310,993.94/82,943.37
  6. Step 6: Final answer
    x = 41,309.04

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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.