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Finding the Fourth Proportional to 125,495.40, 188,229.33 and 36,749.79

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Solution

The fourth proportional to 125,495.40, 188,229.33 and 36,749.79 is: 55,120.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,495.40 : 188,229.33 = 36,749.79 : x
  2. Step 2: Convert to fraction form
    125,495.40/188,229.33 = 36,749.79/x
  3. Step 3: Cross multiply
    125,495.40x = 188,229.33 × 36,749.79
  4. Step 4: Simplify right side
    125,495.40x = 6,917,388,349.34
  5. Step 5: Solve for x
    x = 6,917,388,349.34/125,495.40
  6. Step 6: Final answer
    x = 55,120.65

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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.