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Finding the Fourth Proportional to 168,254.59, 251,789.47 and 105,104.45

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Solution

The fourth proportional to 168,254.59, 251,789.47 and 105,104.45 is: 157,286.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,254.59 : 251,789.47 = 105,104.45 : x
  2. Step 2: Convert to fraction form
    168,254.59/251,789.47 = 105,104.45/x
  3. Step 3: Cross multiply
    168,254.59x = 251,789.47 × 105,104.45
  4. Step 4: Simplify right side
    168,254.59x = 26,464,194,126.85
  5. Step 5: Solve for x
    x = 26,464,194,126.85/168,254.59
  6. Step 6: Final answer
    x = 157,286.61

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1.5x scale

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.