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Finding the Fourth Proportional to 174,782.90, 262,261.42 and 80,012.90

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Solution

The fourth proportional to 174,782.90, 262,261.42 and 80,012.90 is: 120,059.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,782.90 : 262,261.42 = 80,012.90 : x
  2. Step 2: Convert to fraction form
    174,782.90/262,261.42 = 80,012.90/x
  3. Step 3: Cross multiply
    174,782.90x = 262,261.42 × 80,012.90
  4. Step 4: Simplify right side
    174,782.90x = 20,984,296,772.32
  5. Step 5: Solve for x
    x = 20,984,296,772.32/174,782.90
  6. Step 6: Final answer
    x = 120,059.21

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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.