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Finding the Fourth Proportional to 48,118.74, 72,174.87 and 16,949.94

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Solution

The fourth proportional to 48,118.74, 72,174.87 and 16,949.94 is: 25,423.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,118.74 : 72,174.87 = 16,949.94 : x
  2. Step 2: Convert to fraction form
    48,118.74/72,174.87 = 16,949.94/x
  3. Step 3: Cross multiply
    48,118.74x = 72,174.87 × 16,949.94
  4. Step 4: Simplify right side
    48,118.74x = 1,223,359,716.01
  5. Step 5: Solve for x
    x = 1,223,359,716.01/48,118.74
  6. Step 6: Final answer
    x = 25,423.77

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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.