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Finding the Fourth Proportional to 169,504.56, 253,994.04 and 107,043.84

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Solution

The fourth proportional to 169,504.56, 253,994.04 and 107,043.84 is: 160,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,504.56 : 253,994.04 = 107,043.84 : x
  2. Step 2: Convert to fraction form
    169,504.56/253,994.04 = 107,043.84/x
  3. Step 3: Cross multiply
    169,504.56x = 253,994.04 × 107,043.84
  4. Step 4: Simplify right side
    169,504.56x = 27,188,497,378.71
  5. Step 5: Solve for x
    x = 27,188,497,378.71/169,504.56
  6. Step 6: Final answer
    x = 160,399.80

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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.