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Finding the Fourth Proportional to 361,516.60, 542,276.82 and 108,795.36

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Solution

The fourth proportional to 361,516.60, 542,276.82 and 108,795.36 is: 163,193.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,516.60 : 542,276.82 = 108,795.36 : x
  2. Step 2: Convert to fraction form
    361,516.60/542,276.82 = 108,795.36/x
  3. Step 3: Cross multiply
    361,516.60x = 542,276.82 × 108,795.36
  4. Step 4: Simplify right side
    361,516.60x = 58,997,200,903.85
  5. Step 5: Solve for x
    x = 58,997,200,903.85/361,516.60
  6. Step 6: Final answer
    x = 163,193.62

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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.