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Finding the Fourth Proportional to 104,785.11, 157,179.11 and 29,905.22

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Solution

The fourth proportional to 104,785.11, 157,179.11 and 29,905.22 is: 44,858.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,785.11 : 157,179.11 = 29,905.22 : x
  2. Step 2: Convert to fraction form
    104,785.11/157,179.11 = 29,905.22/x
  3. Step 3: Cross multiply
    104,785.11x = 157,179.11 × 29,905.22
  4. Step 4: Simplify right side
    104,785.11x = 4,700,474,928.53
  5. Step 5: Solve for x
    x = 4,700,474,928.53/104,785.11
  6. Step 6: Final answer
    x = 44,858.23

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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.