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Finding the Fourth Proportional to 169,370.33, 254,055.56 and 43,020.05

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Solution

The fourth proportional to 169,370.33, 254,055.56 and 43,020.05 is: 64,530.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,370.33 : 254,055.56 = 43,020.05 : x
  2. Step 2: Convert to fraction form
    169,370.33/254,055.56 = 43,020.05/x
  3. Step 3: Cross multiply
    169,370.33x = 254,055.56 × 43,020.05
  4. Step 4: Simplify right side
    169,370.33x = 10,929,481,408.60
  5. Step 5: Solve for x
    x = 10,929,481,408.60/169,370.33
  6. Step 6: Final answer
    x = 64,530.08

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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.