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Finding the Fourth Proportional to 183,439.77, 275,114.09 and 103,512.83

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Solution

The fourth proportional to 183,439.77, 275,114.09 and 103,512.83 is: 155,243.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,439.77 : 275,114.09 = 103,512.83 : x
  2. Step 2: Convert to fraction form
    183,439.77/275,114.09 = 103,512.83/x
  3. Step 3: Cross multiply
    183,439.77x = 275,114.09 × 103,512.83
  4. Step 4: Simplify right side
    183,439.77x = 28,477,836,135.64
  5. Step 5: Solve for x
    x = 28,477,836,135.64/183,439.77
  6. Step 6: Final answer
    x = 155,243.52

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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.