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Finding the Fourth Proportional to 268,846.50, 403,549.99 and 119,191.89

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Solution

The fourth proportional to 268,846.50, 403,549.99 and 119,191.89 is: 178,912.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,846.50 : 403,549.99 = 119,191.89 : x
  2. Step 2: Convert to fraction form
    268,846.50/403,549.99 = 119,191.89/x
  3. Step 3: Cross multiply
    268,846.50x = 403,549.99 × 119,191.89
  4. Step 4: Simplify right side
    268,846.50x = 48,099,884,429.77
  5. Step 5: Solve for x
    x = 48,099,884,429.77/268,846.50
  6. Step 6: Final answer
    x = 178,912.07

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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.