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Finding the Fourth Proportional to 363,941.76, 546,010.92 and 111,215.36

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Solution

The fourth proportional to 363,941.76, 546,010.92 and 111,215.36 is: 166,853.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,941.76 : 546,010.92 = 111,215.36 : x
  2. Step 2: Convert to fraction form
    363,941.76/546,010.92 = 111,215.36/x
  3. Step 3: Cross multiply
    363,941.76x = 546,010.92 × 111,215.36
  4. Step 4: Simplify right side
    363,941.76x = 60,724,801,031.73
  5. Step 5: Solve for x
    x = 60,724,801,031.73/363,941.76
  6. Step 6: Final answer
    x = 166,853.07

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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.