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Finding the Fourth Proportional to 182,571.50, 273,891.81 and 84,075.50

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Solution

The fourth proportional to 182,571.50, 273,891.81 and 84,075.50 is: 126,129.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,571.50 : 273,891.81 = 84,075.50 : x
  2. Step 2: Convert to fraction form
    182,571.50/273,891.81 = 84,075.50/x
  3. Step 3: Cross multiply
    182,571.50x = 273,891.81 × 84,075.50
  4. Step 4: Simplify right side
    182,571.50x = 23,027,590,871.66
  5. Step 5: Solve for x
    x = 23,027,590,871.66/182,571.50
  6. Step 6: Final answer
    x = 126,129.17

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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.