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Finding the Fourth Proportional to 183,543.78, 275,315.67 and 120,760.68

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Solution

The fourth proportional to 183,543.78, 275,315.67 and 120,760.68 is: 181,141.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,543.78 : 275,315.67 = 120,760.68 : x
  2. Step 2: Convert to fraction form
    183,543.78/275,315.67 = 120,760.68/x
  3. Step 3: Cross multiply
    183,543.78x = 275,315.67 × 120,760.68
  4. Step 4: Simplify right side
    183,543.78x = 33,247,305,543.47
  5. Step 5: Solve for x
    x = 33,247,305,543.47/183,543.78
  6. Step 6: Final answer
    x = 181,141.01

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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.