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Finding the Fourth Proportional to 74,234.80, 111,352.20 and 34,795.90

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Solution

The fourth proportional to 74,234.80, 111,352.20 and 34,795.90 is: 52,193.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,234.80 : 111,352.20 = 34,795.90 : x
  2. Step 2: Convert to fraction form
    74,234.80/111,352.20 = 34,795.90/x
  3. Step 3: Cross multiply
    74,234.80x = 111,352.20 × 34,795.90
  4. Step 4: Simplify right side
    74,234.80x = 3,874,600,015.98
  5. Step 5: Solve for x
    x = 3,874,600,015.98/74,234.80
  6. Step 6: Final answer
    x = 52,193.85

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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.