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Finding the Fourth Proportional to 270,450.68, 405,650.91 and 101,898.59

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Solution

The fourth proportional to 270,450.68, 405,650.91 and 101,898.59 is: 152,838.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,450.68 : 405,650.91 = 101,898.59 : x
  2. Step 2: Convert to fraction form
    270,450.68/405,650.91 = 101,898.59/x
  3. Step 3: Cross multiply
    270,450.68x = 405,650.91 × 101,898.59
  4. Step 4: Simplify right side
    270,450.68x = 41,335,255,761.22
  5. Step 5: Solve for x
    x = 41,335,255,761.22/270,450.68
  6. Step 6: Final answer
    x = 152,838.42

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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.