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Finding the Fourth Proportional to 84,671.38, 127,065.39 and 29,267.38

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Solution

The fourth proportional to 84,671.38, 127,065.39 and 29,267.38 is: 43,921.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,671.38 : 127,065.39 = 29,267.38 : x
  2. Step 2: Convert to fraction form
    84,671.38/127,065.39 = 29,267.38/x
  3. Step 3: Cross multiply
    84,671.38x = 127,065.39 × 29,267.38
  4. Step 4: Simplify right side
    84,671.38x = 3,718,871,053.98
  5. Step 5: Solve for x
    x = 3,718,871,053.98/84,671.38
  6. Step 6: Final answer
    x = 43,921.23

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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.