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Finding the Fourth Proportional to 169,433.54, 254,015.44 and 83,984.26

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Solution

The fourth proportional to 169,433.54, 254,015.44 and 83,984.26 is: 125,909.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,433.54 : 254,015.44 = 83,984.26 : x
  2. Step 2: Convert to fraction form
    169,433.54/254,015.44 = 83,984.26/x
  3. Step 3: Cross multiply
    169,433.54x = 254,015.44 × 83,984.26
  4. Step 4: Simplify right side
    169,433.54x = 21,333,297,911.98
  5. Step 5: Solve for x
    x = 21,333,297,911.98/169,433.54
  6. Step 6: Final answer
    x = 125,909.53

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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.