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Finding the Fourth Proportional to 336,812.92, 505,299.80 and 112,175.24

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Solution

The fourth proportional to 336,812.92, 505,299.80 and 112,175.24 is: 168,289.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,812.92 : 505,299.80 = 112,175.24 : x
  2. Step 2: Convert to fraction form
    336,812.92/505,299.80 = 112,175.24/x
  3. Step 3: Cross multiply
    336,812.92x = 505,299.80 × 112,175.24
  4. Step 4: Simplify right side
    336,812.92x = 56,682,126,336.95
  5. Step 5: Solve for x
    x = 56,682,126,336.95/336,812.92
  6. Step 6: Final answer
    x = 168,289.64

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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.