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Finding the Fourth Proportional to 373,346.80, 560,020.20 and 136,610.80

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Solution

The fourth proportional to 373,346.80, 560,020.20 and 136,610.80 is: 204,916.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,346.80 : 560,020.20 = 136,610.80 : x
  2. Step 2: Convert to fraction form
    373,346.80/560,020.20 = 136,610.80/x
  3. Step 3: Cross multiply
    373,346.80x = 560,020.20 × 136,610.80
  4. Step 4: Simplify right side
    373,346.80x = 76,504,807,538.16
  5. Step 5: Solve for x
    x = 76,504,807,538.16/373,346.80
  6. Step 6: Final answer
    x = 204,916.20

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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.