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Finding the Fourth Proportional to 92,321.37, 127,403.55 and 49,879.94

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Solution

The fourth proportional to 92,321.37, 127,403.55 and 49,879.94 is: 68,834.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,321.37 : 127,403.55 = 49,879.94 : x
  2. Step 2: Convert to fraction form
    92,321.37/127,403.55 = 49,879.94/x
  3. Step 3: Cross multiply
    92,321.37x = 127,403.55 × 49,879.94
  4. Step 4: Simplify right side
    92,321.37x = 6,354,880,792.77
  5. Step 5: Solve for x
    x = 6,354,880,792.77/92,321.37
  6. Step 6: Final answer
    x = 68,834.34

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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.