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Finding the Fourth Proportional to 277,137.59, 415,706.73 and 66,775.52

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Solution

The fourth proportional to 277,137.59, 415,706.73 and 66,775.52 is: 100,163.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,137.59 : 415,706.73 = 66,775.52 : x
  2. Step 2: Convert to fraction form
    277,137.59/415,706.73 = 66,775.52/x
  3. Step 3: Cross multiply
    277,137.59x = 415,706.73 × 66,775.52
  4. Step 4: Simplify right side
    277,137.59x = 27,759,034,227.72
  5. Step 5: Solve for x
    x = 27,759,034,227.72/277,137.59
  6. Step 6: Final answer
    x = 100,163.37

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1.5x scale

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.