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Finding the Fourth Proportional to 183,270.82, 274,439.55 and 120,751.78

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Solution

The fourth proportional to 183,270.82, 274,439.55 and 120,751.78 is: 180,820.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,270.82 : 274,439.55 = 120,751.78 : x
  2. Step 2: Convert to fraction form
    183,270.82/274,439.55 = 120,751.78/x
  3. Step 3: Cross multiply
    183,270.82x = 274,439.55 × 120,751.78
  4. Step 4: Simplify right side
    183,270.82x = 33,139,064,164.90
  5. Step 5: Solve for x
    x = 33,139,064,164.90/183,270.82
  6. Step 6: Final answer
    x = 180,820.19

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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.