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Finding the Fourth Proportional to 129,751.66, 194,601.57 and 36,258.22

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Solution

The fourth proportional to 129,751.66, 194,601.57 and 36,258.22 is: 54,380.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,751.66 : 194,601.57 = 36,258.22 : x
  2. Step 2: Convert to fraction form
    129,751.66/194,601.57 = 36,258.22/x
  3. Step 3: Cross multiply
    129,751.66x = 194,601.57 × 36,258.22
  4. Step 4: Simplify right side
    129,751.66x = 7,055,906,537.41
  5. Step 5: Solve for x
    x = 7,055,906,537.41/129,751.66
  6. Step 6: Final answer
    x = 54,380.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.