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Finding the Fourth Proportional to 92,628.96, 127,834.08 and 89,282.88

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Solution

The fourth proportional to 92,628.96, 127,834.08 and 89,282.88 is: 123,216.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,628.96 : 127,834.08 = 89,282.88 : x
  2. Step 2: Convert to fraction form
    92,628.96/127,834.08 = 89,282.88/x
  3. Step 3: Cross multiply
    92,628.96x = 127,834.08 × 89,282.88
  4. Step 4: Simplify right side
    92,628.96x = 11,413,394,824.55
  5. Step 5: Solve for x
    x = 11,413,394,824.55/92,628.96
  6. Step 6: Final answer
    x = 123,216.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.