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Finding the Fourth Proportional to 229,879.65, 344,832.44 and 69,960.80

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Solution

The fourth proportional to 229,879.65, 344,832.44 and 69,960.80 is: 104,945.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,879.65 : 344,832.44 = 69,960.80 : x
  2. Step 2: Convert to fraction form
    229,879.65/344,832.44 = 69,960.80/x
  3. Step 3: Cross multiply
    229,879.65x = 344,832.44 × 69,960.80
  4. Step 4: Simplify right side
    229,879.65x = 24,124,751,294.39
  5. Step 5: Solve for x
    x = 24,124,751,294.39/229,879.65
  6. Step 6: Final answer
    x = 104,945.14

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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.