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Finding the Fourth Proportional to 260,999.46, 391,654.71 and 94,800.42

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Solution

The fourth proportional to 260,999.46, 391,654.71 and 94,800.42 is: 142,257.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,999.46 : 391,654.71 = 94,800.42 : x
  2. Step 2: Convert to fraction form
    260,999.46/391,654.71 = 94,800.42/x
  3. Step 3: Cross multiply
    260,999.46x = 391,654.71 × 94,800.42
  4. Step 4: Simplify right side
    260,999.46x = 37,129,031,002.98
  5. Step 5: Solve for x
    x = 37,129,031,002.98/260,999.46
  6. Step 6: Final answer
    x = 142,257.12

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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.