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Finding the Fourth Proportional to 277,393.05, 416,101.50 and 108,949.95

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Solution

The fourth proportional to 277,393.05, 416,101.50 and 108,949.95 is: 163,429.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,393.05 : 416,101.50 = 108,949.95 : x
  2. Step 2: Convert to fraction form
    277,393.05/416,101.50 = 108,949.95/x
  3. Step 3: Cross multiply
    277,393.05x = 416,101.50 × 108,949.95
  4. Step 4: Simplify right side
    277,393.05x = 45,334,237,619.93
  5. Step 5: Solve for x
    x = 45,334,237,619.93/277,393.05
  6. Step 6: Final answer
    x = 163,429.61

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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.