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Finding the Fourth Proportional to 198,804.65, 274,515.96 and 184,380.48

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Solution

The fourth proportional to 198,804.65, 274,515.96 and 184,380.48 is: 254,598.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,804.65 : 274,515.96 = 184,380.48 : x
  2. Step 2: Convert to fraction form
    198,804.65/274,515.96 = 184,380.48/x
  3. Step 3: Cross multiply
    198,804.65x = 274,515.96 × 184,380.48
  4. Step 4: Simplify right side
    198,804.65x = 50,615,384,472.46
  5. Step 5: Solve for x
    x = 50,615,384,472.46/198,804.65
  6. Step 6: Final answer
    x = 254,598.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.