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Finding the Fourth Proportional to 260,059.60, 389,797.80 and 110,274.40

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Solution

The fourth proportional to 260,059.60, 389,797.80 and 110,274.40 is: 165,287.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,059.60 : 389,797.80 = 110,274.40 : x
  2. Step 2: Convert to fraction form
    260,059.60/389,797.80 = 110,274.40/x
  3. Step 3: Cross multiply
    260,059.60x = 389,797.80 × 110,274.40
  4. Step 4: Simplify right side
    260,059.60x = 42,984,718,516.32
  5. Step 5: Solve for x
    x = 42,984,718,516.32/260,059.60
  6. Step 6: Final answer
    x = 165,287.95

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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.