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Finding the Fourth Proportional to 136,735.50, 205,103.25 and 36,895.69

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Solution

The fourth proportional to 136,735.50, 205,103.25 and 36,895.69 is: 55,343.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,735.50 : 205,103.25 = 36,895.69 : x
  2. Step 2: Convert to fraction form
    136,735.50/205,103.25 = 36,895.69/x
  3. Step 3: Cross multiply
    136,735.50x = 205,103.25 × 36,895.69
  4. Step 4: Simplify right side
    136,735.50x = 7,567,425,929.99
  5. Step 5: Solve for x
    x = 7,567,425,929.99/136,735.50
  6. Step 6: Final answer
    x = 55,343.54

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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.