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Finding the Fourth Proportional to 117,676.75, 176,592.90 and 55,352.11

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Solution

The fourth proportional to 117,676.75, 176,592.90 and 55,352.11 is: 83,064.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,676.75 : 176,592.90 = 55,352.11 : x
  2. Step 2: Convert to fraction form
    117,676.75/176,592.90 = 55,352.11/x
  3. Step 3: Cross multiply
    117,676.75x = 176,592.90 × 55,352.11
  4. Step 4: Simplify right side
    117,676.75x = 9,774,789,626.02
  5. Step 5: Solve for x
    x = 9,774,789,626.02/117,676.75
  6. Step 6: Final answer
    x = 83,064.75

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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.