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Finding the Fourth Proportional to 125,609.63, 173,341.37 and 69,021.41

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Solution

The fourth proportional to 125,609.63, 173,341.37 and 69,021.41 is: 95,249.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,609.63 : 173,341.37 = 69,021.41 : x
  2. Step 2: Convert to fraction form
    125,609.63/173,341.37 = 69,021.41/x
  3. Step 3: Cross multiply
    125,609.63x = 173,341.37 × 69,021.41
  4. Step 4: Simplify right side
    125,609.63x = 11,964,265,074.58
  5. Step 5: Solve for x
    x = 11,964,265,074.58/125,609.63
  6. Step 6: Final answer
    x = 95,249.59

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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.