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Finding the Fourth Proportional to 104,615.70, 156,924.64 and 41,451.18

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Solution

The fourth proportional to 104,615.70, 156,924.64 and 41,451.18 is: 62,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,615.70 : 156,924.64 = 41,451.18 : x
  2. Step 2: Convert to fraction form
    104,615.70/156,924.64 = 41,451.18/x
  3. Step 3: Cross multiply
    104,615.70x = 156,924.64 × 41,451.18
  4. Step 4: Simplify right side
    104,615.70x = 6,504,711,499.08
  5. Step 5: Solve for x
    x = 6,504,711,499.08/104,615.70
  6. Step 6: Final answer
    x = 62,177.20

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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.