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Finding the Fourth Proportional to 141,373.63, 195,096.01 and 80,945.20

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Solution

The fourth proportional to 141,373.63, 195,096.01 and 80,945.20 is: 111,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,373.63 : 195,096.01 = 80,945.20 : x
  2. Step 2: Convert to fraction form
    141,373.63/195,096.01 = 80,945.20/x
  3. Step 3: Cross multiply
    141,373.63x = 195,096.01 × 80,945.20
  4. Step 4: Simplify right side
    141,373.63x = 15,792,085,143.93
  5. Step 5: Solve for x
    x = 15,792,085,143.93/141,373.63
  6. Step 6: Final answer
    x = 111,704.60

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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.