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Finding the Fourth Proportional to 134,735.50, 185,932.49 and 74,311.76

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Solution

The fourth proportional to 134,735.50, 185,932.49 and 74,311.76 is: 102,548.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,735.50 : 185,932.49 = 74,311.76 : x
  2. Step 2: Convert to fraction form
    134,735.50/185,932.49 = 74,311.76/x
  3. Step 3: Cross multiply
    134,735.50x = 185,932.49 × 74,311.76
  4. Step 4: Simplify right side
    134,735.50x = 13,816,970,573.08
  5. Step 5: Solve for x
    x = 13,816,970,573.08/134,735.50
  6. Step 6: Final answer
    x = 102,548.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.