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Finding the Fourth Proportional to 230,586.01, 345,889.37 and 70,650.23

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Solution

The fourth proportional to 230,586.01, 345,889.37 and 70,650.23 is: 105,978.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,586.01 : 345,889.37 = 70,650.23 : x
  2. Step 2: Convert to fraction form
    230,586.01/345,889.37 = 70,650.23/x
  3. Step 3: Cross multiply
    230,586.01x = 345,889.37 × 70,650.23
  4. Step 4: Simplify right side
    230,586.01x = 24,437,161,992.23
  5. Step 5: Solve for x
    x = 24,437,161,992.23/230,586.01
  6. Step 6: Final answer
    x = 105,978.51

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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.