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Finding the Fourth Proportional to 169,260.58, 253,895.84 and 74,441.58

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Solution

The fourth proportional to 169,260.58, 253,895.84 and 74,441.58 is: 111,664.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,260.58 : 253,895.84 = 74,441.58 : x
  2. Step 2: Convert to fraction form
    169,260.58/253,895.84 = 74,441.58/x
  3. Step 3: Cross multiply
    169,260.58x = 253,895.84 × 74,441.58
  4. Step 4: Simplify right side
    169,260.58x = 18,900,407,485.03
  5. Step 5: Solve for x
    x = 18,900,407,485.03/169,260.58
  6. Step 6: Final answer
    x = 111,664.56

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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.