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Finding the Fourth Proportional to 198,242.89, 273,575.49 and 107,598.89

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Solution

The fourth proportional to 198,242.89, 273,575.49 and 107,598.89 is: 148,486.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,242.89 : 273,575.49 = 107,598.89 : x
  2. Step 2: Convert to fraction form
    198,242.89/273,575.49 = 107,598.89/x
  3. Step 3: Cross multiply
    198,242.89x = 273,575.49 × 107,598.89
  4. Step 4: Simplify right side
    198,242.89x = 29,436,419,055.21
  5. Step 5: Solve for x
    x = 29,436,419,055.21/198,242.89
  6. Step 6: Final answer
    x = 148,486.63

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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.