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Finding the Fourth Proportional to 260,198.87, 359,069.76 and 147,019.19

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Solution

The fourth proportional to 260,198.87, 359,069.76 and 147,019.19 is: 202,883.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,198.87 : 359,069.76 = 147,019.19 : x
  2. Step 2: Convert to fraction form
    260,198.87/359,069.76 = 147,019.19/x
  3. Step 3: Cross multiply
    260,198.87x = 359,069.76 × 147,019.19
  4. Step 4: Simplify right side
    260,198.87x = 52,790,145,268.69
  5. Step 5: Solve for x
    x = 52,790,145,268.69/260,198.87
  6. Step 6: Final answer
    x = 202,883.84

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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.