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Finding the Fourth Proportional to 69,193.68, 103,790.60 and 22,450.20

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Solution

The fourth proportional to 69,193.68, 103,790.60 and 22,450.20 is: 33,675.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,193.68 : 103,790.60 = 22,450.20 : x
  2. Step 2: Convert to fraction form
    69,193.68/103,790.60 = 22,450.20/x
  3. Step 3: Cross multiply
    69,193.68x = 103,790.60 × 22,450.20
  4. Step 4: Simplify right side
    69,193.68x = 2,330,119,728.12
  5. Step 5: Solve for x
    x = 2,330,119,728.12/69,193.68
  6. Step 6: Final answer
    x = 33,675.33

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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.