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Finding the Fourth Proportional to 197,092.35, 271,987.70 and 112,209.41

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Solution

The fourth proportional to 197,092.35, 271,987.70 and 112,209.41 is: 154,849.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,092.35 : 271,987.70 = 112,209.41 : x
  2. Step 2: Convert to fraction form
    197,092.35/271,987.70 = 112,209.41/x
  3. Step 3: Cross multiply
    197,092.35x = 271,987.70 × 112,209.41
  4. Step 4: Simplify right side
    197,092.35x = 30,519,579,344.26
  5. Step 5: Solve for x
    x = 30,519,579,344.26/197,092.35
  6. Step 6: Final answer
    x = 154,849.13

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