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Finding the Fourth Proportional to 92,847.25, 139,270.88 and 51,294.25

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Solution

The fourth proportional to 92,847.25, 139,270.88 and 51,294.25 is: 76,941.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,847.25 : 139,270.88 = 51,294.25 : x
  2. Step 2: Convert to fraction form
    92,847.25/139,270.88 = 51,294.25/x
  3. Step 3: Cross multiply
    92,847.25x = 139,270.88 × 51,294.25
  4. Step 4: Simplify right side
    92,847.25x = 7,143,795,336.44
  5. Step 5: Solve for x
    x = 7,143,795,336.44/92,847.25
  6. Step 6: Final answer
    x = 76,941.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.