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Finding the Fourth Proportional to 114,771.33, 172,181.30 and 35,891.51

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Solution

The fourth proportional to 114,771.33, 172,181.30 and 35,891.51 is: 53,844.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,771.33 : 172,181.30 = 35,891.51 : x
  2. Step 2: Convert to fraction form
    114,771.33/172,181.30 = 35,891.51/x
  3. Step 3: Cross multiply
    114,771.33x = 172,181.30 × 35,891.51
  4. Step 4: Simplify right side
    114,771.33x = 6,179,845,810.40
  5. Step 5: Solve for x
    x = 6,179,845,810.40/114,771.33
  6. Step 6: Final answer
    x = 53,844.86

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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.