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Finding the Fourth Proportional to 169,899.44, 234,461.39 and 93,419.81

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Solution

The fourth proportional to 169,899.44, 234,461.39 and 93,419.81 is: 128,919.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,899.44 : 234,461.39 = 93,419.81 : x
  2. Step 2: Convert to fraction form
    169,899.44/234,461.39 = 93,419.81/x
  3. Step 3: Cross multiply
    169,899.44x = 234,461.39 × 93,419.81
  4. Step 4: Simplify right side
    169,899.44x = 21,903,337,745.96
  5. Step 5: Solve for x
    x = 21,903,337,745.96/169,899.44
  6. Step 6: Final answer
    x = 128,919.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.