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Finding the Fourth Proportional to 194,950.67, 291,760.67 and 163,396.35

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Solution

The fourth proportional to 194,950.67, 291,760.67 and 163,396.35 is: 244,536.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,950.67 : 291,760.67 = 163,396.35 : x
  2. Step 2: Convert to fraction form
    194,950.67/291,760.67 = 163,396.35/x
  3. Step 3: Cross multiply
    194,950.67x = 291,760.67 × 163,396.35
  4. Step 4: Simplify right side
    194,950.67x = 47,672,628,960.05
  5. Step 5: Solve for x
    x = 47,672,628,960.05/194,950.67
  6. Step 6: Final answer
    x = 244,536.89

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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.