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Finding the Fourth Proportional to 251,075.33, 376,571.42 and 82,597.76

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Solution

The fourth proportional to 251,075.33, 376,571.42 and 82,597.76 is: 123,882.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,075.33 : 376,571.42 = 82,597.76 : x
  2. Step 2: Convert to fraction form
    251,075.33/376,571.42 = 82,597.76/x
  3. Step 3: Cross multiply
    251,075.33x = 376,571.42 × 82,597.76
  4. Step 4: Simplify right side
    251,075.33x = 31,103,955,772.02
  5. Step 5: Solve for x
    x = 31,103,955,772.02/251,075.33
  6. Step 6: Final answer
    x = 123,882.96

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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.