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Finding the Fourth Proportional to 329,125.09, 493,704.72 and 104,503.11

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Solution

The fourth proportional to 329,125.09, 493,704.72 and 104,503.11 is: 156,760.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,125.09 : 493,704.72 = 104,503.11 : x
  2. Step 2: Convert to fraction form
    329,125.09/493,704.72 = 104,503.11/x
  3. Step 3: Cross multiply
    329,125.09x = 493,704.72 × 104,503.11
  4. Step 4: Simplify right side
    329,125.09x = 51,593,678,661.68
  5. Step 5: Solve for x
    x = 51,593,678,661.68/329,125.09
  6. Step 6: Final answer
    x = 156,760.09

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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.