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Finding the Fourth Proportional to 120,469.02, 180,713.61 and 41,583.90

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Solution

The fourth proportional to 120,469.02, 180,713.61 and 41,583.90 is: 62,379.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,469.02 : 180,713.61 = 41,583.90 : x
  2. Step 2: Convert to fraction form
    120,469.02/180,713.61 = 41,583.90/x
  3. Step 3: Cross multiply
    120,469.02x = 180,713.61 × 41,583.90
  4. Step 4: Simplify right side
    120,469.02x = 7,514,776,686.88
  5. Step 5: Solve for x
    x = 7,514,776,686.88/120,469.02
  6. Step 6: Final answer
    x = 62,379.33

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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.