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Finding the Fourth Proportional to 158,466.97, 218,785.62 and 141,441.58

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Solution

The fourth proportional to 158,466.97, 218,785.62 and 141,441.58 is: 195,279.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,466.97 : 218,785.62 = 141,441.58 : x
  2. Step 2: Convert to fraction form
    158,466.97/218,785.62 = 141,441.58/x
  3. Step 3: Cross multiply
    158,466.97x = 218,785.62 × 141,441.58
  4. Step 4: Simplify right side
    158,466.97x = 30,945,383,774.08
  5. Step 5: Solve for x
    x = 30,945,383,774.08/158,466.97
  6. Step 6: Final answer
    x = 195,279.71

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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.