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Finding the Fourth Proportional to 192,672.42, 288,979.44 and 52,441.98

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Solution

The fourth proportional to 192,672.42, 288,979.44 and 52,441.98 is: 78,655.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,672.42 : 288,979.44 = 52,441.98 : x
  2. Step 2: Convert to fraction form
    192,672.42/288,979.44 = 52,441.98/x
  3. Step 3: Cross multiply
    192,672.42x = 288,979.44 × 52,441.98
  4. Step 4: Simplify right side
    192,672.42x = 15,154,654,012.89
  5. Step 5: Solve for x
    x = 15,154,654,012.89/192,672.42
  6. Step 6: Final answer
    x = 78,655.03

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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.