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Finding the Fourth Proportional to 119,602.52, 165,052.32 and 68,617.48

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Solution

The fourth proportional to 119,602.52, 165,052.32 and 68,617.48 is: 94,692.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,602.52 : 165,052.32 = 68,617.48 : x
  2. Step 2: Convert to fraction form
    119,602.52/165,052.32 = 68,617.48/x
  3. Step 3: Cross multiply
    119,602.52x = 165,052.32 × 68,617.48
  4. Step 4: Simplify right side
    119,602.52x = 11,325,474,266.55
  5. Step 5: Solve for x
    x = 11,325,474,266.55/119,602.52
  6. Step 6: Final answer
    x = 94,692.61

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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.