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Finding the Fourth Proportional to 169,282.71, 253,705.37 and 80,563.41

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Solution

The fourth proportional to 169,282.71, 253,705.37 and 80,563.41 is: 120,741.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,282.71 : 253,705.37 = 80,563.41 : x
  2. Step 2: Convert to fraction form
    169,282.71/253,705.37 = 80,563.41/x
  3. Step 3: Cross multiply
    169,282.71x = 253,705.37 × 80,563.41
  4. Step 4: Simplify right side
    169,282.71x = 20,439,369,339.69
  5. Step 5: Solve for x
    x = 20,439,369,339.69/169,282.71
  6. Step 6: Final answer
    x = 120,741.03

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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.