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Finding the Fourth Proportional to 82,480.03, 123,782.24 and 60,350.50

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Solution

The fourth proportional to 82,480.03, 123,782.24 and 60,350.50 is: 90,571.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,480.03 : 123,782.24 = 60,350.50 : x
  2. Step 2: Convert to fraction form
    82,480.03/123,782.24 = 60,350.50/x
  3. Step 3: Cross multiply
    82,480.03x = 123,782.24 × 60,350.50
  4. Step 4: Simplify right side
    82,480.03x = 7,470,320,075.12
  5. Step 5: Solve for x
    x = 7,470,320,075.12/82,480.03
  6. Step 6: Final answer
    x = 90,571.26

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.