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Finding the Fourth Proportional to 75,676.66, 113,437.10 and 33,576.57

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Solution

The fourth proportional to 75,676.66, 113,437.10 and 33,576.57 is: 50,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,676.66 : 113,437.10 = 33,576.57 : x
  2. Step 2: Convert to fraction form
    75,676.66/113,437.10 = 33,576.57/x
  3. Step 3: Cross multiply
    75,676.66x = 113,437.10 × 33,576.57
  4. Step 4: Simplify right side
    75,676.66x = 3,808,828,812.69
  5. Step 5: Solve for x
    x = 3,808,828,812.69/75,676.66
  6. Step 6: Final answer
    x = 50,330.30

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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.