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Finding the Fourth Proportional to 70,229.95, 105,359.50 and 23,481.61

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Solution

The fourth proportional to 70,229.95, 105,359.50 and 23,481.61 is: 35,227.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,229.95 : 105,359.50 = 23,481.61 : x
  2. Step 2: Convert to fraction form
    70,229.95/105,359.50 = 23,481.61/x
  3. Step 3: Cross multiply
    70,229.95x = 105,359.50 × 23,481.61
  4. Step 4: Simplify right side
    70,229.95x = 2,474,010,718.34
  5. Step 5: Solve for x
    x = 2,474,010,718.34/70,229.95
  6. Step 6: Final answer
    x = 35,227.29

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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.