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Finding the Fourth Proportional to 351,553.34, 526,624.69 and 161,749.28

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Solution

The fourth proportional to 351,553.34, 526,624.69 and 161,749.28 is: 242,299.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,553.34 : 526,624.69 = 161,749.28 : x
  2. Step 2: Convert to fraction form
    351,553.34/526,624.69 = 161,749.28/x
  3. Step 3: Cross multiply
    351,553.34x = 526,624.69 × 161,749.28
  4. Step 4: Simplify right side
    351,553.34x = 85,181,160,995.85
  5. Step 5: Solve for x
    x = 85,181,160,995.85/351,553.34
  6. Step 6: Final answer
    x = 242,299.40

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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.