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Finding the Fourth Proportional to 92,495.97, 127,644.22 and 50,054.54

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Solution

The fourth proportional to 92,495.97, 127,644.22 and 50,054.54 is: 69,075.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,495.97 : 127,644.22 = 50,054.54 : x
  2. Step 2: Convert to fraction form
    92,495.97/127,644.22 = 50,054.54/x
  3. Step 3: Cross multiply
    92,495.97x = 127,644.22 × 50,054.54
  4. Step 4: Simplify right side
    92,495.97x = 6,389,172,140.11
  5. Step 5: Solve for x
    x = 6,389,172,140.11/92,495.97
  6. Step 6: Final answer
    x = 69,075.14

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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.