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Finding the Fourth Proportional to 79,474.38, 119,187.80 and 26,156.52

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Solution

The fourth proportional to 79,474.38, 119,187.80 and 26,156.52 is: 39,226.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,474.38 : 119,187.80 = 26,156.52 : x
  2. Step 2: Convert to fraction form
    79,474.38/119,187.80 = 26,156.52/x
  3. Step 3: Cross multiply
    79,474.38x = 119,187.80 × 26,156.52
  4. Step 4: Simplify right side
    79,474.38x = 3,117,538,023.37
  5. Step 5: Solve for x
    x = 3,117,538,023.37/79,474.38
  6. Step 6: Final answer
    x = 39,226.95

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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.