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Finding the Fourth Proportional to 136,000.56, 203,770.53 and 83,299.95

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Solution

The fourth proportional to 136,000.56, 203,770.53 and 83,299.95 is: 124,808.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,000.56 : 203,770.53 = 83,299.95 : x
  2. Step 2: Convert to fraction form
    136,000.56/203,770.53 = 83,299.95/x
  3. Step 3: Cross multiply
    136,000.56x = 203,770.53 × 83,299.95
  4. Step 4: Simplify right side
    136,000.56x = 16,974,074,960.47
  5. Step 5: Solve for x
    x = 16,974,074,960.47/136,000.56
  6. Step 6: Final answer
    x = 124,808.86

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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.