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Finding the Fourth Proportional to 92,770.92, 128,022.73 and 50,329.15

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Solution

The fourth proportional to 92,770.92, 128,022.73 and 50,329.15 is: 69,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,770.92 : 128,022.73 = 50,329.15 : x
  2. Step 2: Convert to fraction form
    92,770.92/128,022.73 = 50,329.15/x
  3. Step 3: Cross multiply
    92,770.92x = 128,022.73 × 50,329.15
  4. Step 4: Simplify right side
    92,770.92x = 6,443,274,735.70
  5. Step 5: Solve for x
    x = 6,443,274,735.70/92,770.92
  6. Step 6: Final answer
    x = 69,453.60

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1.5x scale

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.