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Finding the Fourth Proportional to 171,479, 236,562.38 and 111,069.06

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Solution

The fourth proportional to 171,479, 236,562.38 and 111,069.06 is: 153,224.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,479 : 236,562.38 = 111,069.06 : x
  2. Step 2: Convert to fraction form
    171,479/236,562.38 = 111,069.06/x
  3. Step 3: Cross multiply
    171,479x = 236,562.38 × 111,069.06
  4. Step 4: Simplify right side
    171,479x = 26,274,761,177.96
  5. Step 5: Solve for x
    x = 26,274,761,177.96/171,479
  6. Step 6: Final answer
    x = 153,224.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.