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Finding the Fourth Proportional to 240,836.98, 361,241.58 and 72,353.70

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Solution

The fourth proportional to 240,836.98, 361,241.58 and 72,353.70 is: 108,526.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,836.98 : 361,241.58 = 72,353.70 : x
  2. Step 2: Convert to fraction form
    240,836.98/361,241.58 = 72,353.70/x
  3. Step 3: Cross multiply
    240,836.98x = 361,241.58 × 72,353.70
  4. Step 4: Simplify right side
    240,836.98x = 26,137,164,906.85
  5. Step 5: Solve for x
    x = 26,137,164,906.85/240,836.98
  6. Step 6: Final answer
    x = 108,526.38

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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.