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Finding the Fourth Proportional to 351,401.46, 527,097.53 and 85,164.29

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Solution

The fourth proportional to 351,401.46, 527,097.53 and 85,164.29 is: 127,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,401.46 : 527,097.53 = 85,164.29 : x
  2. Step 2: Convert to fraction form
    351,401.46/527,097.53 = 85,164.29/x
  3. Step 3: Cross multiply
    351,401.46x = 527,097.53 × 85,164.29
  4. Step 4: Simplify right side
    351,401.46x = 44,889,884,495.73
  5. Step 5: Solve for x
    x = 44,889,884,495.73/351,401.46
  6. Step 6: Final answer
    x = 127,745.30

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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.