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Finding the Fourth Proportional to 92,433.91, 127,558.79 and 49,992.44

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Solution

The fourth proportional to 92,433.91, 127,558.79 and 49,992.44 is: 68,989.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,433.91 : 127,558.79 = 49,992.44 : x
  2. Step 2: Convert to fraction form
    92,433.91/127,558.79 = 49,992.44/x
  3. Step 3: Cross multiply
    92,433.91x = 127,558.79 × 49,992.44
  4. Step 4: Simplify right side
    92,433.91x = 6,376,975,155.55
  5. Step 5: Solve for x
    x = 6,376,975,155.55/92,433.91
  6. Step 6: Final answer
    x = 68,989.56

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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.