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Finding the Fourth Proportional to 194,636.70, 291,964.65 and 101,324.70

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Solution

The fourth proportional to 194,636.70, 291,964.65 and 101,324.70 is: 151,992.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,636.70 : 291,964.65 = 101,324.70 : x
  2. Step 2: Convert to fraction form
    194,636.70/291,964.65 = 101,324.70/x
  3. Step 3: Cross multiply
    194,636.70x = 291,964.65 × 101,324.70
  4. Step 4: Simplify right side
    194,636.70x = 29,583,230,571.86
  5. Step 5: Solve for x
    x = 29,583,230,571.86/194,636.70
  6. Step 6: Final answer
    x = 151,992.05

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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.