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Finding the Fourth Proportional to 277,505.82, 416,003.58 and 99,969.41

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Solution

The fourth proportional to 277,505.82, 416,003.58 and 99,969.41 is: 149,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,505.82 : 416,003.58 = 99,969.41 : x
  2. Step 2: Convert to fraction form
    277,505.82/416,003.58 = 99,969.41/x
  3. Step 3: Cross multiply
    277,505.82x = 416,003.58 × 99,969.41
  4. Step 4: Simplify right side
    277,505.82x = 41,587,632,450.49
  5. Step 5: Solve for x
    x = 41,587,632,450.49/277,505.82
  6. Step 6: Final answer
    x = 149,862.20

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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.