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Finding the Fourth Proportional to 168,252.64, 251,786.52 and 105,102.52

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Solution

The fourth proportional to 168,252.64, 251,786.52 and 105,102.52 is: 157,283.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,252.64 : 251,786.52 = 105,102.52 : x
  2. Step 2: Convert to fraction form
    168,252.64/251,786.52 = 105,102.52/x
  3. Step 3: Cross multiply
    168,252.64x = 251,786.52 × 105,102.52
  4. Step 4: Simplify right side
    168,252.64x = 26,463,397,754.03
  5. Step 5: Solve for x
    x = 26,463,397,754.03/168,252.64
  6. Step 6: Final answer
    x = 157,283.70

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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.