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Finding the Fourth Proportional to 117,538.38, 162,202.38 and 63,822.96

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Solution

The fourth proportional to 117,538.38, 162,202.38 and 63,822.96 is: 88,075.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,538.38 : 162,202.38 = 63,822.96 : x
  2. Step 2: Convert to fraction form
    117,538.38/162,202.38 = 63,822.96/x
  3. Step 3: Cross multiply
    117,538.38x = 162,202.38 × 63,822.96
  4. Step 4: Simplify right side
    117,538.38x = 10,352,236,010.64
  5. Step 5: Solve for x
    x = 10,352,236,010.64/117,538.38
  6. Step 6: Final answer
    x = 88,075.37

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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.