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Finding the Fourth Proportional to 192,407.82, 288,618.21 and 52,169.82

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Solution

The fourth proportional to 192,407.82, 288,618.21 and 52,169.82 is: 78,256.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,407.82 : 288,618.21 = 52,169.82 : x
  2. Step 2: Convert to fraction form
    192,407.82/288,618.21 = 52,169.82/x
  3. Step 3: Cross multiply
    192,407.82x = 288,618.21 × 52,169.82
  4. Step 4: Simplify right side
    192,407.82x = 15,057,160,064.42
  5. Step 5: Solve for x
    x = 15,057,160,064.42/192,407.82
  6. Step 6: Final answer
    x = 78,256.49

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1.5x scale

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.