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Finding the Fourth Proportional to 92,321.16, 127,403.04 and 49,879.56

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Solution

The fourth proportional to 92,321.16, 127,403.04 and 49,879.56 is: 68,833.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,321.16 : 127,403.04 = 49,879.56 : x
  2. Step 2: Convert to fraction form
    92,321.16/127,403.04 = 49,879.56/x
  3. Step 3: Cross multiply
    92,321.16x = 127,403.04 × 49,879.56
  4. Step 4: Simplify right side
    92,321.16x = 6,354,807,577.86
  5. Step 5: Solve for x
    x = 6,354,807,577.86/92,321.16
  6. Step 6: Final answer
    x = 68,833.71

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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.