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Finding the Fourth Proportional to 183,470.82, 274,940.63 and 126,486.24

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Solution

The fourth proportional to 183,470.82, 274,940.63 and 126,486.24 is: 189,546.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,470.82 : 274,940.63 = 126,486.24 : x
  2. Step 2: Convert to fraction form
    183,470.82/274,940.63 = 126,486.24/x
  3. Step 3: Cross multiply
    183,470.82x = 274,940.63 × 126,486.24
  4. Step 4: Simplify right side
    183,470.82x = 34,776,206,511.93
  5. Step 5: Solve for x
    x = 34,776,206,511.93/183,470.82
  6. Step 6: Final answer
    x = 189,546.25

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1.5x scale

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.