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Finding the Fourth Proportional to 169,301.12, 233,619.84 and 93,843.20

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Solution

The fourth proportional to 169,301.12, 233,619.84 and 93,843.20 is: 129,494.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,301.12 : 233,619.84 = 93,843.20 : x
  2. Step 2: Convert to fraction form
    169,301.12/233,619.84 = 93,843.20/x
  3. Step 3: Cross multiply
    169,301.12x = 233,619.84 × 93,843.20
  4. Step 4: Simplify right side
    169,301.12x = 21,923,633,369.09
  5. Step 5: Solve for x
    x = 21,923,633,369.09/169,301.12
  6. Step 6: Final answer
    x = 129,494.91

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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.