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Finding the Fourth Proportional to 131,595.41, 197,468.36 and 55,687.97

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Solution

The fourth proportional to 131,595.41, 197,468.36 and 55,687.97 is: 83,563.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,595.41 : 197,468.36 = 55,687.97 : x
  2. Step 2: Convert to fraction form
    131,595.41/197,468.36 = 55,687.97/x
  3. Step 3: Cross multiply
    131,595.41x = 197,468.36 × 55,687.97
  4. Step 4: Simplify right side
    131,595.41x = 10,996,611,829.19
  5. Step 5: Solve for x
    x = 10,996,611,829.19/131,595.41
  6. Step 6: Final answer
    x = 83,563.79

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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.