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Finding the Fourth Proportional to 373,669.20, 560,163.60 and 136,954.80

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Solution

The fourth proportional to 373,669.20, 560,163.60 and 136,954.80 is: 205,307.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,669.20 : 560,163.60 = 136,954.80 : x
  2. Step 2: Convert to fraction form
    373,669.20/560,163.60 = 136,954.80/x
  3. Step 3: Cross multiply
    373,669.20x = 560,163.60 × 136,954.80
  4. Step 4: Simplify right side
    373,669.20x = 76,717,093,805.28
  5. Step 5: Solve for x
    x = 76,717,093,805.28/373,669.20
  6. Step 6: Final answer
    x = 205,307.51

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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.