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Finding the Fourth Proportional to 92,399.76, 127,511.76 and 49,958.32

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Solution

The fourth proportional to 92,399.76, 127,511.76 and 49,958.32 is: 68,942.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,399.76 : 127,511.76 = 49,958.32 : x
  2. Step 2: Convert to fraction form
    92,399.76/127,511.76 = 49,958.32/x
  3. Step 3: Cross multiply
    92,399.76x = 127,511.76 × 49,958.32
  4. Step 4: Simplify right side
    92,399.76x = 6,370,273,309.84
  5. Step 5: Solve for x
    x = 6,370,273,309.84/92,399.76
  6. Step 6: Final answer
    x = 68,942.53

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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.