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Finding the Fourth Proportional to 114,220.37, 157,638.80 and 68,922.80

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Solution

The fourth proportional to 114,220.37, 157,638.80 and 68,922.80 is: 95,122.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,220.37 : 157,638.80 = 68,922.80 : x
  2. Step 2: Convert to fraction form
    114,220.37/157,638.80 = 68,922.80/x
  3. Step 3: Cross multiply
    114,220.37x = 157,638.80 × 68,922.80
  4. Step 4: Simplify right side
    114,220.37x = 10,864,907,484.64
  5. Step 5: Solve for x
    x = 10,864,907,484.64/114,220.37
  6. Step 6: Final answer
    x = 95,122.33

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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.