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Finding the Fourth Proportional to 235,734.37, 325,175.21 and 171,127.65

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Solution

The fourth proportional to 235,734.37, 325,175.21 and 171,127.65 is: 236,055.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,734.37 : 325,175.21 = 171,127.65 : x
  2. Step 2: Convert to fraction form
    235,734.37/325,175.21 = 171,127.65/x
  3. Step 3: Cross multiply
    235,734.37x = 325,175.21 × 171,127.65
  4. Step 4: Simplify right side
    235,734.37x = 55,646,470,531.05
  5. Step 5: Solve for x
    x = 55,646,470,531.05/235,734.37
  6. Step 6: Final answer
    x = 236,055.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.