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Finding the Fourth Proportional to 232,693.50, 349,040.26 and 66,481.50

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Solution

The fourth proportional to 232,693.50, 349,040.26 and 66,481.50 is: 99,722.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,693.50 : 349,040.26 = 66,481.50 : x
  2. Step 2: Convert to fraction form
    232,693.50/349,040.26 = 66,481.50/x
  3. Step 3: Cross multiply
    232,693.50x = 349,040.26 × 66,481.50
  4. Step 4: Simplify right side
    232,693.50x = 23,204,720,045.19
  5. Step 5: Solve for x
    x = 23,204,720,045.19/232,693.50
  6. Step 6: Final answer
    x = 99,722.25

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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.