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Finding the Fourth Proportional to 277,963.62, 416,941.32 and 88,435.47

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Solution

The fourth proportional to 277,963.62, 416,941.32 and 88,435.47 is: 132,651.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,963.62 : 416,941.32 = 88,435.47 : x
  2. Step 2: Convert to fraction form
    277,963.62/416,941.32 = 88,435.47/x
  3. Step 3: Cross multiply
    277,963.62x = 416,941.32 × 88,435.47
  4. Step 4: Simplify right side
    277,963.62x = 36,872,401,596.62
  5. Step 5: Solve for x
    x = 36,872,401,596.62/277,963.62
  6. Step 6: Final answer
    x = 132,651.90

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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.