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Finding the Fourth Proportional to 277,682.66, 416,525.35 and 67,320.59

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Solution

The fourth proportional to 277,682.66, 416,525.35 and 67,320.59 is: 100,981.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,682.66 : 416,525.35 = 67,320.59 : x
  2. Step 2: Convert to fraction form
    277,682.66/416,525.35 = 67,320.59/x
  3. Step 3: Cross multiply
    277,682.66x = 416,525.35 × 67,320.59
  4. Step 4: Simplify right side
    277,682.66x = 28,040,732,311.96
  5. Step 5: Solve for x
    x = 28,040,732,311.96/277,682.66
  6. Step 6: Final answer
    x = 100,981.21

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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.