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Finding the Fourth Proportional to 92,310.21, 127,388.12 and 49,868.73

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Solution

The fourth proportional to 92,310.21, 127,388.12 and 49,868.73 is: 68,818.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,310.21 : 127,388.12 = 49,868.73 : x
  2. Step 2: Convert to fraction form
    92,310.21/127,388.12 = 49,868.73/x
  3. Step 3: Cross multiply
    92,310.21x = 127,388.12 × 49,868.73
  4. Step 4: Simplify right side
    92,310.21x = 6,352,683,512.14
  5. Step 5: Solve for x
    x = 6,352,683,512.14/92,310.21
  6. Step 6: Final answer
    x = 68,818.86

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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.