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Finding the Fourth Proportional to 365,739.40, 548,670.03 and 125,843.50

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Solution

The fourth proportional to 365,739.40, 548,670.03 and 125,843.50 is: 188,786.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,739.40 : 548,670.03 = 125,843.50 : x
  2. Step 2: Convert to fraction form
    365,739.40/548,670.03 = 125,843.50/x
  3. Step 3: Cross multiply
    365,739.40x = 548,670.03 × 125,843.50
  4. Step 4: Simplify right side
    365,739.40x = 69,046,556,920.31
  5. Step 5: Solve for x
    x = 69,046,556,920.31/365,739.40
  6. Step 6: Final answer
    x = 188,786.21

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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.