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Finding the Fourth Proportional to 131,881.68, 197,597.13 and 94,249.48

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Solution

The fourth proportional to 131,881.68, 197,597.13 and 94,249.48 is: 141,213.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,881.68 : 197,597.13 = 94,249.48 : x
  2. Step 2: Convert to fraction form
    131,881.68/197,597.13 = 94,249.48/x
  3. Step 3: Cross multiply
    131,881.68x = 197,597.13 × 94,249.48
  4. Step 4: Simplify right side
    131,881.68x = 18,623,427,493.49
  5. Step 5: Solve for x
    x = 18,623,427,493.49/131,881.68
  6. Step 6: Final answer
    x = 141,213.15

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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.