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Finding the Fourth Proportional to 162,632, 243,632.32 and 119,859.68

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Solution

The fourth proportional to 162,632, 243,632.32 and 119,859.68 is: 179,556.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,632 : 243,632.32 = 119,859.68 : x
  2. Step 2: Convert to fraction form
    162,632/243,632.32 = 119,859.68/x
  3. Step 3: Cross multiply
    162,632x = 243,632.32 × 119,859.68
  4. Step 4: Simplify right side
    162,632x = 29,201,691,912.86
  5. Step 5: Solve for x
    x = 29,201,691,912.86/162,632
  6. Step 6: Final answer
    x = 179,556.86

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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.