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Finding the Fourth Proportional to 194,336.82, 291,045.96 and 151,919.96

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Solution

The fourth proportional to 194,336.82, 291,045.96 and 151,919.96 is: 227,520.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,336.82 : 291,045.96 = 151,919.96 : x
  2. Step 2: Convert to fraction form
    194,336.82/291,045.96 = 151,919.96/x
  3. Step 3: Cross multiply
    194,336.82x = 291,045.96 × 151,919.96
  4. Step 4: Simplify right side
    194,336.82x = 44,215,689,146.13
  5. Step 5: Solve for x
    x = 44,215,689,146.13/194,336.82
  6. Step 6: Final answer
    x = 227,520.90

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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.