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Finding the Fourth Proportional to 170,936.96, 235,855.11 and 98,335.39

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Solution

The fourth proportional to 170,936.96, 235,855.11 and 98,335.39 is: 135,681.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,936.96 : 235,855.11 = 98,335.39 : x
  2. Step 2: Convert to fraction form
    170,936.96/235,855.11 = 98,335.39/x
  3. Step 3: Cross multiply
    170,936.96x = 235,855.11 × 98,335.39
  4. Step 4: Simplify right side
    170,936.96x = 23,192,903,893.55
  5. Step 5: Solve for x
    x = 23,192,903,893.55/170,936.96
  6. Step 6: Final answer
    x = 135,681.04

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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.