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Finding the Fourth Proportional to 174,940.60, 262,410.90 and 165,724.60

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Solution

The fourth proportional to 174,940.60, 262,410.90 and 165,724.60 is: 248,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,940.60 : 262,410.90 = 165,724.60 : x
  2. Step 2: Convert to fraction form
    174,940.60/262,410.90 = 165,724.60/x
  3. Step 3: Cross multiply
    174,940.60x = 262,410.90 × 165,724.60
  4. Step 4: Simplify right side
    174,940.60x = 43,487,941,438.14
  5. Step 5: Solve for x
    x = 43,487,941,438.14/174,940.60
  6. Step 6: Final answer
    x = 248,586.90

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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.