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Finding the Fourth Proportional to 184,090.20, 275,940.90 and 105,034.20

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Solution

The fourth proportional to 184,090.20, 275,940.90 and 105,034.20 is: 157,440.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,090.20 : 275,940.90 = 105,034.20 : x
  2. Step 2: Convert to fraction form
    184,090.20/275,940.90 = 105,034.20/x
  3. Step 3: Cross multiply
    184,090.20x = 275,940.90 × 105,034.20
  4. Step 4: Simplify right side
    184,090.20x = 28,983,231,678.78
  5. Step 5: Solve for x
    x = 28,983,231,678.78/184,090.20
  6. Step 6: Final answer
    x = 157,440.38

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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.