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Finding the Fourth Proportional to 136,632.45, 204,982.02 and 52,391.10

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Solution

The fourth proportional to 136,632.45, 204,982.02 and 52,391.10 is: 78,599.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,632.45 : 204,982.02 = 52,391.10 : x
  2. Step 2: Convert to fraction form
    136,632.45/204,982.02 = 52,391.10/x
  3. Step 3: Cross multiply
    136,632.45x = 204,982.02 × 52,391.10
  4. Step 4: Simplify right side
    136,632.45x = 10,739,233,246.07
  5. Step 5: Solve for x
    x = 10,739,233,246.07/136,632.45
  6. Step 6: Final answer
    x = 78,599.43

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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.