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Finding the Fourth Proportional to 179,858.16, 269,907.48 and 74,676.96

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Solution

The fourth proportional to 179,858.16, 269,907.48 and 74,676.96 is: 112,065.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,858.16 : 269,907.48 = 74,676.96 : x
  2. Step 2: Convert to fraction form
    179,858.16/269,907.48 = 74,676.96/x
  3. Step 3: Cross multiply
    179,858.16x = 269,907.48 × 74,676.96
  4. Step 4: Simplify right side
    179,858.16x = 20,155,870,087.66
  5. Step 5: Solve for x
    x = 20,155,870,087.66/179,858.16
  6. Step 6: Final answer
    x = 112,065.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.