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Finding the Fourth Proportional to 232,087.80, 347,613.30 and 190,615.80

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Solution

The fourth proportional to 232,087.80, 347,613.30 and 190,615.80 is: 285,497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,087.80 : 347,613.30 = 190,615.80 : x
  2. Step 2: Convert to fraction form
    232,087.80/347,613.30 = 190,615.80/x
  3. Step 3: Cross multiply
    232,087.80x = 347,613.30 × 190,615.80
  4. Step 4: Simplify right side
    232,087.80x = 66,260,587,270.14
  5. Step 5: Solve for x
    x = 66,260,587,270.14/232,087.80
  6. Step 6: Final answer
    x = 285,497.93

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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.