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Finding the Fourth Proportional to 169,506.75, 254,161.68 and 64,268.31

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Solution

The fourth proportional to 169,506.75, 254,161.68 and 64,268.31 is: 96,365.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,506.75 : 254,161.68 = 64,268.31 : x
  2. Step 2: Convert to fraction form
    169,506.75/254,161.68 = 64,268.31/x
  3. Step 3: Cross multiply
    169,506.75x = 254,161.68 × 64,268.31
  4. Step 4: Simplify right side
    169,506.75x = 16,334,541,640.36
  5. Step 5: Solve for x
    x = 16,334,541,640.36/169,506.75
  6. Step 6: Final answer
    x = 96,365.14

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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.