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Finding the Fourth Proportional to 104,426.67, 156,640.01 and 25,539.96

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Solution

The fourth proportional to 104,426.67, 156,640.01 and 25,539.96 is: 38,309.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,426.67 : 156,640.01 = 25,539.96 : x
  2. Step 2: Convert to fraction form
    104,426.67/156,640.01 = 25,539.96/x
  3. Step 3: Cross multiply
    104,426.67x = 156,640.01 × 25,539.96
  4. Step 4: Simplify right side
    104,426.67x = 4,000,579,462.10
  5. Step 5: Solve for x
    x = 4,000,579,462.10/104,426.67
  6. Step 6: Final answer
    x = 38,309.94

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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.