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Finding the Fourth Proportional to 332,941.76, 499,481.76 and 111,320

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Solution

The fourth proportional to 332,941.76, 499,481.76 and 111,320 is: 167,003.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,941.76 : 499,481.76 = 111,320 : x
  2. Step 2: Convert to fraction form
    332,941.76/499,481.76 = 111,320/x
  3. Step 3: Cross multiply
    332,941.76x = 499,481.76 × 111,320
  4. Step 4: Simplify right side
    332,941.76x = 55,602,309,523.20
  5. Step 5: Solve for x
    x = 55,602,309,523.20/332,941.76
  6. Step 6: Final answer
    x = 167,003.11

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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.