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Finding the Fourth Proportional to 110,347.11, 165,285.73 and 83,396.22

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Solution

The fourth proportional to 110,347.11, 165,285.73 and 83,396.22 is: 124,916.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,347.11 : 165,285.73 = 83,396.22 : x
  2. Step 2: Convert to fraction form
    110,347.11/165,285.73 = 83,396.22/x
  3. Step 3: Cross multiply
    110,347.11x = 165,285.73 × 83,396.22
  4. Step 4: Simplify right side
    110,347.11x = 13,784,204,586.36
  5. Step 5: Solve for x
    x = 13,784,204,586.36/110,347.11
  6. Step 6: Final answer
    x = 124,916.77

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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.