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Finding the Fourth Proportional to 167,756, 231,427.00 and 99,734.38

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Solution

The fourth proportional to 167,756, 231,427.00 and 99,734.38 is: 137,588.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,756 : 231,427.00 = 99,734.38 : x
  2. Step 2: Convert to fraction form
    167,756/231,427.00 = 99,734.38/x
  3. Step 3: Cross multiply
    167,756x = 231,427.00 × 99,734.38
  4. Step 4: Simplify right side
    167,756x = 23,081,226,704.45
  5. Step 5: Solve for x
    x = 23,081,226,704.45/167,756
  6. Step 6: Final answer
    x = 137,588.08

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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.