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Finding the Fourth Proportional to 92,550.80, 127,719.94 and 50,109.32

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Solution

The fourth proportional to 92,550.80, 127,719.94 and 50,109.32 is: 69,150.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,550.80 : 127,719.94 = 50,109.32 : x
  2. Step 2: Convert to fraction form
    92,550.80/127,719.94 = 50,109.32/x
  3. Step 3: Cross multiply
    92,550.80x = 127,719.94 × 50,109.32
  4. Step 4: Simplify right side
    92,550.80x = 6,399,959,343.84
  5. Step 5: Solve for x
    x = 6,399,959,343.84/92,550.80
  6. Step 6: Final answer
    x = 69,150.77

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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.