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Finding the Fourth Proportional to 136,605.52, 204,908.32 and 36,765.96

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Solution

The fourth proportional to 136,605.52, 204,908.32 and 36,765.96 is: 55,148.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,605.52 : 204,908.32 = 36,765.96 : x
  2. Step 2: Convert to fraction form
    136,605.52/204,908.32 = 36,765.96/x
  3. Step 3: Cross multiply
    136,605.52x = 204,908.32 × 36,765.96
  4. Step 4: Simplify right side
    136,605.52x = 7,533,651,096.79
  5. Step 5: Solve for x
    x = 7,533,651,096.79/136,605.52
  6. Step 6: Final answer
    x = 55,148.95

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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.