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Finding the Fourth Proportional to 117,609.26, 176,358.48 and 42,676.97

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Solution

The fourth proportional to 117,609.26, 176,358.48 and 42,676.97 is: 63,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,609.26 : 176,358.48 = 42,676.97 : x
  2. Step 2: Convert to fraction form
    117,609.26/176,358.48 = 42,676.97/x
  3. Step 3: Cross multiply
    117,609.26x = 176,358.48 × 42,676.97
  4. Step 4: Simplify right side
    117,609.26x = 7,526,444,678.41
  5. Step 5: Solve for x
    x = 7,526,444,678.41/117,609.26
  6. Step 6: Final answer
    x = 63,995.34

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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.