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Finding the Fourth Proportional to 88,940.88, 122,745.07 and 50,701.34

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Solution

The fourth proportional to 88,940.88, 122,745.07 and 50,701.34 is: 69,971.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,940.88 : 122,745.07 = 50,701.34 : x
  2. Step 2: Convert to fraction form
    88,940.88/122,745.07 = 50,701.34/x
  3. Step 3: Cross multiply
    88,940.88x = 122,745.07 × 50,701.34
  4. Step 4: Simplify right side
    88,940.88x = 6,223,338,913.67
  5. Step 5: Solve for x
    x = 6,223,338,913.67/88,940.88
  6. Step 6: Final answer
    x = 69,971.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.