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Finding the Fourth Proportional to 351,679.68, 527,564.21 and 111,707.96

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Solution

The fourth proportional to 351,679.68, 527,564.21 and 111,707.96 is: 167,576.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,679.68 : 527,564.21 = 111,707.96 : x
  2. Step 2: Convert to fraction form
    351,679.68/527,564.21 = 111,707.96/x
  3. Step 3: Cross multiply
    351,679.68x = 527,564.21 × 111,707.96
  4. Step 4: Simplify right side
    351,679.68x = 58,933,118,471.75
  5. Step 5: Solve for x
    x = 58,933,118,471.75/351,679.68
  6. Step 6: Final answer
    x = 167,576.13

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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.