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Finding the Fourth Proportional to 293,503.92, 440,007.20 and 116,136.08

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Solution

The fourth proportional to 293,503.92, 440,007.20 and 116,136.08 is: 174,105.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,503.92 : 440,007.20 = 116,136.08 : x
  2. Step 2: Convert to fraction form
    293,503.92/440,007.20 = 116,136.08/x
  3. Step 3: Cross multiply
    293,503.92x = 440,007.20 × 116,136.08
  4. Step 4: Simplify right side
    293,503.92x = 51,100,711,379.78
  5. Step 5: Solve for x
    x = 51,100,711,379.78/293,503.92
  6. Step 6: Final answer
    x = 174,105.72

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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.