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Finding the Fourth Proportional to 105,797.39, 158,691.98 and 26,913.68

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Solution

The fourth proportional to 105,797.39, 158,691.98 and 26,913.68 is: 40,369.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,797.39 : 158,691.98 = 26,913.68 : x
  2. Step 2: Convert to fraction form
    105,797.39/158,691.98 = 26,913.68/x
  3. Step 3: Cross multiply
    105,797.39x = 158,691.98 × 26,913.68
  4. Step 4: Simplify right side
    105,797.39x = 4,270,984,240.26
  5. Step 5: Solve for x
    x = 4,270,984,240.26/105,797.39
  6. Step 6: Final answer
    x = 40,369.47

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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.