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Finding the Fourth Proportional to 332,942.76, 499,483.26 and 111,321

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Solution

The fourth proportional to 332,942.76, 499,483.26 and 111,321 is: 167,004.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,942.76 : 499,483.26 = 111,321 : x
  2. Step 2: Convert to fraction form
    332,942.76/499,483.26 = 111,321/x
  3. Step 3: Cross multiply
    332,942.76x = 499,483.26 × 111,321
  4. Step 4: Simplify right side
    332,942.76x = 55,602,975,986.46
  5. Step 5: Solve for x
    x = 55,602,975,986.46/332,942.76
  6. Step 6: Final answer
    x = 167,004.61

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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.