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Finding the Fourth Proportional to 361,496.36, 542,317.02 and 124,847.72

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Solution

The fourth proportional to 361,496.36, 542,317.02 and 124,847.72 is: 187,296.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,496.36 : 542,317.02 = 124,847.72 : x
  2. Step 2: Convert to fraction form
    361,496.36/542,317.02 = 124,847.72/x
  3. Step 3: Cross multiply
    361,496.36x = 542,317.02 × 124,847.72
  4. Step 4: Simplify right side
    361,496.36x = 67,707,043,464.19
  5. Step 5: Solve for x
    x = 67,707,043,464.19/361,496.36
  6. Step 6: Final answer
    x = 187,296.61

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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.