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Finding the Fourth Proportional to 174,846.40, 262,269.42 and 69,739.18

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Solution

The fourth proportional to 174,846.40, 262,269.42 and 69,739.18 is: 104,608.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,846.40 : 262,269.42 = 69,739.18 : x
  2. Step 2: Convert to fraction form
    174,846.40/262,269.42 = 69,739.18/x
  3. Step 3: Cross multiply
    174,846.40x = 262,269.42 × 69,739.18
  4. Step 4: Simplify right side
    174,846.40x = 18,290,454,289.88
  5. Step 5: Solve for x
    x = 18,290,454,289.88/174,846.40
  6. Step 6: Final answer
    x = 104,608.70

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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.