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Finding the Fourth Proportional to 260,992.45, 360,194.61 and 146,270.53

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Solution

The fourth proportional to 260,992.45, 360,194.61 and 146,270.53 is: 201,867.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,992.45 : 360,194.61 = 146,270.53 : x
  2. Step 2: Convert to fraction form
    260,992.45/360,194.61 = 146,270.53/x
  3. Step 3: Cross multiply
    260,992.45x = 360,194.61 × 146,270.53
  4. Step 4: Simplify right side
    260,992.45x = 52,685,856,507.84
  5. Step 5: Solve for x
    x = 52,685,856,507.84/260,992.45
  6. Step 6: Final answer
    x = 201,867.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.