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Finding the Fourth Proportional to 168,054.55, 251,489.48 and 104,904.32

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Solution

The fourth proportional to 168,054.55, 251,489.48 and 104,904.32 is: 156,986.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,054.55 : 251,489.48 = 104,904.32 : x
  2. Step 2: Convert to fraction form
    168,054.55/251,489.48 = 104,904.32/x
  3. Step 3: Cross multiply
    168,054.55x = 251,489.48 × 104,904.32
  4. Step 4: Simplify right side
    168,054.55x = 26,382,331,104.58
  5. Step 5: Solve for x
    x = 26,382,331,104.58/168,054.55
  6. Step 6: Final answer
    x = 156,986.71

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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.