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Finding the Fourth Proportional to 167,703.54, 251,555.30 and 114,953.10

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Solution

The fourth proportional to 167,703.54, 251,555.30 and 114,953.10 is: 172,429.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,703.54 : 251,555.30 = 114,953.10 : x
  2. Step 2: Convert to fraction form
    167,703.54/251,555.30 = 114,953.10/x
  3. Step 3: Cross multiply
    167,703.54x = 251,555.30 × 114,953.10
  4. Step 4: Simplify right side
    167,703.54x = 28,917,061,556.43
  5. Step 5: Solve for x
    x = 28,917,061,556.43/167,703.54
  6. Step 6: Final answer
    x = 172,429.64

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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.