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Finding the Fourth Proportional to 141,373.88, 195,096.36 and 80,945.45

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Solution

The fourth proportional to 141,373.88, 195,096.36 and 80,945.45 is: 111,704.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,373.88 : 195,096.36 = 80,945.45 : x
  2. Step 2: Convert to fraction form
    141,373.88/195,096.36 = 80,945.45/x
  3. Step 3: Cross multiply
    141,373.88x = 195,096.36 × 80,945.45
  4. Step 4: Simplify right side
    141,373.88x = 15,792,161,678.08
  5. Step 5: Solve for x
    x = 15,792,161,678.08/141,373.88
  6. Step 6: Final answer
    x = 111,704.95

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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.