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Finding the Fourth Proportional to 136,630.57, 204,930.46 and 36,798.07

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Solution

The fourth proportional to 136,630.57, 204,930.46 and 36,798.07 is: 55,192.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,630.57 : 204,930.46 = 36,798.07 : x
  2. Step 2: Convert to fraction form
    136,630.57/204,930.46 = 36,798.07/x
  3. Step 3: Cross multiply
    136,630.57x = 204,930.46 × 36,798.07
  4. Step 4: Simplify right side
    136,630.57x = 7,541,045,412.21
  5. Step 5: Solve for x
    x = 7,541,045,412.21/136,630.57
  6. Step 6: Final answer
    x = 55,192.96

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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.