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Finding the Fourth Proportional to 131,902.84, 197,881.94 and 43,149.39

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Solution

The fourth proportional to 131,902.84, 197,881.94 and 43,149.39 is: 64,733.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,902.84 : 197,881.94 = 43,149.39 : x
  2. Step 2: Convert to fraction form
    131,902.84/197,881.94 = 43,149.39/x
  3. Step 3: Cross multiply
    131,902.84x = 197,881.94 × 43,149.39
  4. Step 4: Simplify right side
    131,902.84x = 8,538,485,003.02
  5. Step 5: Solve for x
    x = 8,538,485,003.02/131,902.84
  6. Step 6: Final answer
    x = 64,733.14

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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.