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Finding the Fourth Proportional to 131,635.67, 197,380.53 and 61,476.71

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Solution

The fourth proportional to 131,635.67, 197,380.53 and 61,476.71 is: 92,180.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,635.67 : 197,380.53 = 61,476.71 : x
  2. Step 2: Convert to fraction form
    131,635.67/197,380.53 = 61,476.71/x
  3. Step 3: Cross multiply
    131,635.67x = 197,380.53 × 61,476.71
  4. Step 4: Simplify right side
    131,635.67x = 12,134,304,615.55
  5. Step 5: Solve for x
    x = 12,134,304,615.55/131,635.67
  6. Step 6: Final answer
    x = 92,180.98

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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.