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Finding the Fourth Proportional to 114,182.51, 171,302.31 and 43,105.01

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Solution

The fourth proportional to 114,182.51, 171,302.31 and 43,105.01 is: 64,668.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,182.51 : 171,302.31 = 43,105.01 : x
  2. Step 2: Convert to fraction form
    114,182.51/171,302.31 = 43,105.01/x
  3. Step 3: Cross multiply
    114,182.51x = 171,302.31 × 43,105.01
  4. Step 4: Simplify right side
    114,182.51x = 7,383,986,929.06
  5. Step 5: Solve for x
    x = 7,383,986,929.06/114,182.51
  6. Step 6: Final answer
    x = 64,668.29

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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.