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Finding the Fourth Proportional to 230,300.96, 345,217.41 and 95,438.40

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Solution

The fourth proportional to 230,300.96, 345,217.41 and 95,438.40 is: 143,060.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,300.96 : 345,217.41 = 95,438.40 : x
  2. Step 2: Convert to fraction form
    230,300.96/345,217.41 = 95,438.40/x
  3. Step 3: Cross multiply
    230,300.96x = 345,217.41 × 95,438.40
  4. Step 4: Simplify right side
    230,300.96x = 32,946,997,262.54
  5. Step 5: Solve for x
    x = 32,946,997,262.54/230,300.96
  6. Step 6: Final answer
    x = 143,060.62

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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.