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Finding the Fourth Proportional to 131,609.92, 197,293.14 and 64,101.88

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Solution

The fourth proportional to 131,609.92, 197,293.14 and 64,101.88 is: 96,093.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,609.92 : 197,293.14 = 64,101.88 : x
  2. Step 2: Convert to fraction form
    131,609.92/197,293.14 = 64,101.88/x
  3. Step 3: Cross multiply
    131,609.92x = 197,293.14 × 64,101.88
  4. Step 4: Simplify right side
    131,609.92x = 12,646,861,185.10
  5. Step 5: Solve for x
    x = 12,646,861,185.10/131,609.92
  6. Step 6: Final answer
    x = 96,093.53

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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.