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Finding the Fourth Proportional to 169,365.88, 254,048.92 and 43,015.60

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Solution

The fourth proportional to 169,365.88, 254,048.92 and 43,015.60 is: 64,523.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,365.88 : 254,048.92 = 43,015.60 : x
  2. Step 2: Convert to fraction form
    169,365.88/254,048.92 = 43,015.60/x
  3. Step 3: Cross multiply
    169,365.88x = 254,048.92 × 43,015.60
  4. Step 4: Simplify right side
    169,365.88x = 10,928,066,279.15
  5. Step 5: Solve for x
    x = 10,928,066,279.15/169,365.88
  6. Step 6: Final answer
    x = 64,523.42

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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.