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Finding the Fourth Proportional to 109,232.97, 150,788.06 and 73,443.84

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Solution

The fourth proportional to 109,232.97, 150,788.06 and 73,443.84 is: 101,383.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,232.97 : 150,788.06 = 73,443.84 : x
  2. Step 2: Convert to fraction form
    109,232.97/150,788.06 = 73,443.84/x
  3. Step 3: Cross multiply
    109,232.97x = 150,788.06 × 73,443.84
  4. Step 4: Simplify right side
    109,232.97x = 11,074,453,785.33
  5. Step 5: Solve for x
    x = 11,074,453,785.33/109,232.97
  6. Step 6: Final answer
    x = 101,383.80

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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.