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Finding the Fourth Proportional to 79,125.01, 118,605.49 and 49,474.77

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Solution

The fourth proportional to 79,125.01, 118,605.49 and 49,474.77 is: 74,160.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,125.01 : 118,605.49 = 49,474.77 : x
  2. Step 2: Convert to fraction form
    79,125.01/118,605.49 = 49,474.77/x
  3. Step 3: Cross multiply
    79,125.01x = 118,605.49 × 49,474.77
  4. Step 4: Simplify right side
    79,125.01x = 5,867,979,338.49
  5. Step 5: Solve for x
    x = 5,867,979,338.49/79,125.01
  6. Step 6: Final answer
    x = 74,160.87

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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.