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Finding the Fourth Proportional to 361,223.56, 541,942.26 and 124,590.16

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Solution

The fourth proportional to 361,223.56, 541,942.26 and 124,590.16 is: 186,922.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,223.56 : 541,942.26 = 124,590.16 : x
  2. Step 2: Convert to fraction form
    361,223.56/541,942.26 = 124,590.16/x
  3. Step 3: Cross multiply
    361,223.56x = 541,942.26 × 124,590.16
  4. Step 4: Simplify right side
    361,223.56x = 67,520,672,884.16
  5. Step 5: Solve for x
    x = 67,520,672,884.16/361,223.56
  6. Step 6: Final answer
    x = 186,922.12

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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.