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Finding the Fourth Proportional to 105,911.74, 158,934.57 and 59,195.26

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Solution

The fourth proportional to 105,911.74, 158,934.57 and 59,195.26 is: 88,830.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,911.74 : 158,934.57 = 59,195.26 : x
  2. Step 2: Convert to fraction form
    105,911.74/158,934.57 = 59,195.26/x
  3. Step 3: Cross multiply
    105,911.74x = 158,934.57 × 59,195.26
  4. Step 4: Simplify right side
    105,911.74x = 9,408,173,194.14
  5. Step 5: Solve for x
    x = 9,408,173,194.14/105,911.74
  6. Step 6: Final answer
    x = 88,830.31

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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.