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Finding the Fourth Proportional to 114,881.33, 158,512.79 and 67,125.44

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Solution

The fourth proportional to 114,881.33, 158,512.79 and 67,125.44 is: 92,619.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,881.33 : 158,512.79 = 67,125.44 : x
  2. Step 2: Convert to fraction form
    114,881.33/158,512.79 = 67,125.44/x
  3. Step 3: Cross multiply
    114,881.33x = 158,512.79 × 67,125.44
  4. Step 4: Simplify right side
    114,881.33x = 10,640,241,338.47
  5. Step 5: Solve for x
    x = 10,640,241,338.47/114,881.33
  6. Step 6: Final answer
    x = 92,619.41

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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.