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Finding the Fourth Proportional to 192,615.66, 288,922.62 and 52,373.88

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Solution

The fourth proportional to 192,615.66, 288,922.62 and 52,373.88 is: 78,560.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,615.66 : 288,922.62 = 52,373.88 : x
  2. Step 2: Convert to fraction form
    192,615.66/288,922.62 = 52,373.88/x
  3. Step 3: Cross multiply
    192,615.66x = 288,922.62 × 52,373.88
  4. Step 4: Simplify right side
    192,615.66x = 15,131,998,629.17
  5. Step 5: Solve for x
    x = 15,131,998,629.17/192,615.66
  6. Step 6: Final answer
    x = 78,560.58

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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.