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Finding the Fourth Proportional to 82,481.03, 123,783.74 and 60,351.50

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Solution

The fourth proportional to 82,481.03, 123,783.74 and 60,351.50 is: 90,572.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,481.03 : 123,783.74 = 60,351.50 : x
  2. Step 2: Convert to fraction form
    82,481.03/123,783.74 = 60,351.50/x
  3. Step 3: Cross multiply
    82,481.03x = 123,783.74 × 60,351.50
  4. Step 4: Simplify right side
    82,481.03x = 7,470,533,463.93
  5. Step 5: Solve for x
    x = 7,470,533,463.93/82,481.03
  6. Step 6: Final answer
    x = 90,572.75

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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.