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Finding the Fourth Proportional to 169,145.72, 253,698.40 and 44,496.44

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Solution

The fourth proportional to 169,145.72, 253,698.40 and 44,496.44 is: 66,739.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,145.72 : 253,698.40 = 44,496.44 : x
  2. Step 2: Convert to fraction form
    169,145.72/253,698.40 = 44,496.44/x
  3. Step 3: Cross multiply
    169,145.72x = 253,698.40 × 44,496.44
  4. Step 4: Simplify right side
    169,145.72x = 11,288,675,633.70
  5. Step 5: Solve for x
    x = 11,288,675,633.70/169,145.72
  6. Step 6: Final answer
    x = 66,739.35

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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.