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Finding the Fourth Proportional to 329,212.89, 493,794.83 and 118,851.03

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Solution

The fourth proportional to 329,212.89, 493,794.83 and 118,851.03 is: 178,267.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,212.89 : 493,794.83 = 118,851.03 : x
  2. Step 2: Convert to fraction form
    329,212.89/493,794.83 = 118,851.03/x
  3. Step 3: Cross multiply
    329,212.89x = 493,794.83 × 118,851.03
  4. Step 4: Simplify right side
    329,212.89x = 58,688,024,451.30
  5. Step 5: Solve for x
    x = 58,688,024,451.30/329,212.89
  6. Step 6: Final answer
    x = 178,267.70

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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.