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Finding the Fourth Proportional to 168,254.64, 251,789.52 and 105,104.52

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Solution

The fourth proportional to 168,254.64, 251,789.52 and 105,104.52 is: 157,286.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,254.64 : 251,789.52 = 105,104.52 : x
  2. Step 2: Convert to fraction form
    168,254.64/251,789.52 = 105,104.52/x
  3. Step 3: Cross multiply
    168,254.64x = 251,789.52 × 105,104.52
  4. Step 4: Simplify right side
    168,254.64x = 26,464,216,640.63
  5. Step 5: Solve for x
    x = 26,464,216,640.63/168,254.64
  6. Step 6: Final answer
    x = 157,286.70

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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.