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Finding the Fourth Proportional to 277,963.21, 416,941.74 and 67,601.35

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Solution

The fourth proportional to 277,963.21, 416,941.74 and 67,601.35 is: 101,401.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,963.21 : 416,941.74 = 67,601.35 : x
  2. Step 2: Convert to fraction form
    277,963.21/416,941.74 = 67,601.35/x
  3. Step 3: Cross multiply
    277,963.21x = 416,941.74 × 67,601.35
  4. Step 4: Simplify right side
    277,963.21x = 28,185,824,495.35
  5. Step 5: Solve for x
    x = 28,185,824,495.35/277,963.21
  6. Step 6: Final answer
    x = 101,401.28

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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.