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Finding the Fourth Proportional to 105,466.44, 158,150.44 and 61,105.88

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Solution

The fourth proportional to 105,466.44, 158,150.44 and 61,105.88 is: 91,630.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,466.44 : 158,150.44 = 61,105.88 : x
  2. Step 2: Convert to fraction form
    105,466.44/158,150.44 = 61,105.88/x
  3. Step 3: Cross multiply
    105,466.44x = 158,150.44 × 61,105.88
  4. Step 4: Simplify right side
    105,466.44x = 9,663,921,390.75
  5. Step 5: Solve for x
    x = 9,663,921,390.75/105,466.44
  6. Step 6: Final answer
    x = 91,630.30

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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.