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Finding the Fourth Proportional to 74,177, 111,279.45 and 29,807.27

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Solution

The fourth proportional to 74,177, 111,279.45 and 29,807.27 is: 44,716.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,177 : 111,279.45 = 29,807.27 : x
  2. Step 2: Convert to fraction form
    74,177/111,279.45 = 29,807.27/x
  3. Step 3: Cross multiply
    74,177x = 111,279.45 × 29,807.27
  4. Step 4: Simplify right side
    74,177x = 3,316,936,611.60
  5. Step 5: Solve for x
    x = 3,316,936,611.60/74,177
  6. Step 6: Final answer
    x = 44,716.51

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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.