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Finding the Fourth Proportional to 120,596.81, 180,922.77 and 41,710.95

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Solution

The fourth proportional to 120,596.81, 180,922.77 and 41,710.95 is: 62,575.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,596.81 : 180,922.77 = 41,710.95 : x
  2. Step 2: Convert to fraction form
    120,596.81/180,922.77 = 41,710.95/x
  3. Step 3: Cross multiply
    120,596.81x = 180,922.77 × 41,710.95
  4. Step 4: Simplify right side
    120,596.81x = 7,546,460,613.33
  5. Step 5: Solve for x
    x = 7,546,460,613.33/120,596.81
  6. Step 6: Final answer
    x = 62,575.96

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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.