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Finding the Fourth Proportional to 104,561.96, 156,632.43 and 48,324.62

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Solution

The fourth proportional to 104,561.96, 156,632.43 and 48,324.62 is: 72,389.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,561.96 : 156,632.43 = 48,324.62 : x
  2. Step 2: Convert to fraction form
    104,561.96/156,632.43 = 48,324.62/x
  3. Step 3: Cross multiply
    104,561.96x = 156,632.43 × 48,324.62
  4. Step 4: Simplify right side
    104,561.96x = 7,569,202,351.17
  5. Step 5: Solve for x
    x = 7,569,202,351.17/104,561.96
  6. Step 6: Final answer
    x = 72,389.64

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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.