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Finding the Fourth Proportional to 363,937.76, 546,004.92 and 111,211.36

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Solution

The fourth proportional to 363,937.76, 546,004.92 and 111,211.36 is: 166,847.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,937.76 : 546,004.92 = 111,211.36 : x
  2. Step 2: Convert to fraction form
    363,937.76/546,004.92 = 111,211.36/x
  3. Step 3: Cross multiply
    363,937.76x = 546,004.92 × 111,211.36
  4. Step 4: Simplify right side
    363,937.76x = 60,721,949,719.89
  5. Step 5: Solve for x
    x = 60,721,949,719.89/363,937.76
  6. Step 6: Final answer
    x = 166,847.07

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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.