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Finding the Fourth Proportional to 70,102.67, 105,170.67 and 22,717.73

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Solution

The fourth proportional to 70,102.67, 105,170.67 and 22,717.73 is: 34,082.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,102.67 : 105,170.67 = 22,717.73 : x
  2. Step 2: Convert to fraction form
    70,102.67/105,170.67 = 22,717.73/x
  3. Step 3: Cross multiply
    70,102.67x = 105,170.67 × 22,717.73
  4. Step 4: Simplify right side
    70,102.67x = 2,389,239,147.91
  5. Step 5: Solve for x
    x = 2,389,239,147.91/70,102.67
  6. Step 6: Final answer
    x = 34,082.00

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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.