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Finding the Fourth Proportional to 92,495.50, 127,643.78 and 50,054.03

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Solution

The fourth proportional to 92,495.50, 127,643.78 and 50,054.03 is: 69,074.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,495.50 : 127,643.78 = 50,054.03 : x
  2. Step 2: Convert to fraction form
    92,495.50/127,643.78 = 50,054.03/x
  3. Step 3: Cross multiply
    92,495.50x = 127,643.78 × 50,054.03
  4. Step 4: Simplify right side
    92,495.50x = 6,389,085,629.40
  5. Step 5: Solve for x
    x = 6,389,085,629.40/92,495.50
  6. Step 6: Final answer
    x = 69,074.56

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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.