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Finding the Fourth Proportional to 169,369.86, 254,054.88 and 43,019.58

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Solution

The fourth proportional to 169,369.86, 254,054.88 and 43,019.58 is: 64,529.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,369.86 : 254,054.88 = 43,019.58 : x
  2. Step 2: Convert to fraction form
    169,369.86/254,054.88 = 43,019.58/x
  3. Step 3: Cross multiply
    169,369.86x = 254,054.88 × 43,019.58
  4. Step 4: Simplify right side
    169,369.86x = 10,929,332,964.28
  5. Step 5: Solve for x
    x = 10,929,332,964.28/169,369.86
  6. Step 6: Final answer
    x = 64,529.39

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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.