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Finding the Fourth Proportional to 192,645.17, 288,938.59 and 52,414.73

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Solution

The fourth proportional to 192,645.17, 288,938.59 and 52,414.73 is: 78,614.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,645.17 : 288,938.59 = 52,414.73 : x
  2. Step 2: Convert to fraction form
    192,645.17/288,938.59 = 52,414.73/x
  3. Step 3: Cross multiply
    192,645.17x = 288,938.59 × 52,414.73
  4. Step 4: Simplify right side
    192,645.17x = 15,144,638,181.43
  5. Step 5: Solve for x
    x = 15,144,638,181.43/192,645.17
  6. Step 6: Final answer
    x = 78,614.16

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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.