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Finding the Fourth Proportional to 131,903.34, 197,882.69 and 43,149.89

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Solution

The fourth proportional to 131,903.34, 197,882.69 and 43,149.89 is: 64,733.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,903.34 : 197,882.69 = 43,149.89 : x
  2. Step 2: Convert to fraction form
    131,903.34/197,882.69 = 43,149.89/x
  3. Step 3: Cross multiply
    131,903.34x = 197,882.69 × 43,149.89
  4. Step 4: Simplify right side
    131,903.34x = 8,538,615,101.24
  5. Step 5: Solve for x
    x = 8,538,615,101.24/131,903.34
  6. Step 6: Final answer
    x = 64,733.88

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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.