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Finding the Fourth Proportional to 361,526.56, 542,180.36 and 108,739.92

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Solution

The fourth proportional to 361,526.56, 542,180.36 and 108,739.92 is: 163,076.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,526.56 : 542,180.36 = 108,739.92 : x
  2. Step 2: Convert to fraction form
    361,526.56/542,180.36 = 108,739.92/x
  3. Step 3: Cross multiply
    361,526.56x = 542,180.36 × 108,739.92
  4. Step 4: Simplify right side
    361,526.56x = 58,956,648,971.97
  5. Step 5: Solve for x
    x = 58,956,648,971.97/361,526.56
  6. Step 6: Final answer
    x = 163,076.95

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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.