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Finding the Fourth Proportional to 271,443.24, 407,164.86 and 84,417.48

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Solution

The fourth proportional to 271,443.24, 407,164.86 and 84,417.48 is: 126,626.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,443.24 : 407,164.86 = 84,417.48 : x
  2. Step 2: Convert to fraction form
    271,443.24/407,164.86 = 84,417.48/x
  3. Step 3: Cross multiply
    271,443.24x = 407,164.86 × 84,417.48
  4. Step 4: Simplify right side
    271,443.24x = 34,371,831,425.75
  5. Step 5: Solve for x
    x = 34,371,831,425.75/271,443.24
  6. Step 6: Final answer
    x = 126,626.22

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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.