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Finding the Fourth Proportional to 110,605.21, 165,100.34 and 94,911.10

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Solution

The fourth proportional to 110,605.21, 165,100.34 and 94,911.10 is: 141,673.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,605.21 : 165,100.34 = 94,911.10 : x
  2. Step 2: Convert to fraction form
    110,605.21/165,100.34 = 94,911.10/x
  3. Step 3: Cross multiply
    110,605.21x = 165,100.34 × 94,911.10
  4. Step 4: Simplify right side
    110,605.21x = 15,669,854,879.77
  5. Step 5: Solve for x
    x = 15,669,854,879.77/110,605.21
  6. Step 6: Final answer
    x = 141,673.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.