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Finding the Fourth Proportional to 239,575.60, 330,749.76 and 159,141

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Solution

The fourth proportional to 239,575.60, 330,749.76 and 159,141 is: 219,704.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,575.60 : 330,749.76 = 159,141 : x
  2. Step 2: Convert to fraction form
    239,575.60/330,749.76 = 159,141/x
  3. Step 3: Cross multiply
    239,575.60x = 330,749.76 × 159,141
  4. Step 4: Simplify right side
    239,575.60x = 52,635,847,556.16
  5. Step 5: Solve for x
    x = 52,635,847,556.16/239,575.60
  6. Step 6: Final answer
    x = 219,704.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.