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Finding the Fourth Proportional to 237,881.75, 356,767.40 and 141,845.78

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Solution

The fourth proportional to 237,881.75, 356,767.40 and 141,845.78 is: 212,735.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,881.75 : 356,767.40 = 141,845.78 : x
  2. Step 2: Convert to fraction form
    237,881.75/356,767.40 = 141,845.78/x
  3. Step 3: Cross multiply
    237,881.75x = 356,767.40 × 141,845.78
  4. Step 4: Simplify right side
    237,881.75x = 50,605,951,378.11
  5. Step 5: Solve for x
    x = 50,605,951,378.11/237,881.75
  6. Step 6: Final answer
    x = 212,735.74

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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.