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Finding the Fourth Proportional to 230,618.61, 345,942.50 and 97,481.34

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Solution

The fourth proportional to 230,618.61, 345,942.50 and 97,481.34 is: 146,228.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,618.61 : 345,942.50 = 97,481.34 : x
  2. Step 2: Convert to fraction form
    230,618.61/345,942.50 = 97,481.34/x
  3. Step 3: Cross multiply
    230,618.61x = 345,942.50 × 97,481.34
  4. Step 4: Simplify right side
    230,618.61x = 33,722,937,975.54
  5. Step 5: Solve for x
    x = 33,722,937,975.54/230,618.61
  6. Step 6: Final answer
    x = 146,228.17

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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.