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Finding the Fourth Proportional to 92,996.96, 128,336.55 and 50,555.39

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Solution

The fourth proportional to 92,996.96, 128,336.55 and 50,555.39 is: 69,766.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,996.96 : 128,336.55 = 50,555.39 : x
  2. Step 2: Convert to fraction form
    92,996.96/128,336.55 = 50,555.39/x
  3. Step 3: Cross multiply
    92,996.96x = 128,336.55 × 50,555.39
  4. Step 4: Simplify right side
    92,996.96x = 6,488,104,336.50
  5. Step 5: Solve for x
    x = 6,488,104,336.50/92,996.96
  6. Step 6: Final answer
    x = 69,766.84

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