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Finding the Fourth Proportional to 329,401.96, 494,152.08 and 104,769.72

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Solution

The fourth proportional to 329,401.96, 494,152.08 and 104,769.72 is: 157,170.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,401.96 : 494,152.08 = 104,769.72 : x
  2. Step 2: Convert to fraction form
    329,401.96/494,152.08 = 104,769.72/x
  3. Step 3: Cross multiply
    329,401.96x = 494,152.08 × 104,769.72
  4. Step 4: Simplify right side
    329,401.96x = 51,772,175,059.02
  5. Step 5: Solve for x
    x = 51,772,175,059.02/329,401.96
  6. Step 6: Final answer
    x = 157,170.21

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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.