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Finding the Fourth Proportional to 194,995.00, 268,832.87 and 154,841.68

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Solution

The fourth proportional to 194,995.00, 268,832.87 and 154,841.68 is: 213,474.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,995.00 : 268,832.87 = 154,841.68 : x
  2. Step 2: Convert to fraction form
    194,995.00/268,832.87 = 154,841.68/x
  3. Step 3: Cross multiply
    194,995.00x = 268,832.87 × 154,841.68
  4. Step 4: Simplify right side
    194,995.00x = 41,626,531,885.86
  5. Step 5: Solve for x
    x = 41,626,531,885.86/194,995.00
  6. Step 6: Final answer
    x = 213,474.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.