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Finding the Fourth Proportional to 192,176.88, 265,208.40 and 120,559.92

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Solution

The fourth proportional to 192,176.88, 265,208.40 and 120,559.92 is: 166,375.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,176.88 : 265,208.40 = 120,559.92 : x
  2. Step 2: Convert to fraction form
    192,176.88/265,208.40 = 120,559.92/x
  3. Step 3: Cross multiply
    192,176.88x = 265,208.40 × 120,559.92
  4. Step 4: Simplify right side
    192,176.88x = 31,973,503,487.33
  5. Step 5: Solve for x
    x = 31,973,503,487.33/192,176.88
  6. Step 6: Final answer
    x = 166,375.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.