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Finding the Fourth Proportional to 68,852, 103,271.52 and 22,105.28

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Solution

The fourth proportional to 68,852, 103,271.52 and 22,105.28 is: 33,155.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,852 : 103,271.52 = 22,105.28 : x
  2. Step 2: Convert to fraction form
    68,852/103,271.52 = 22,105.28/x
  3. Step 3: Cross multiply
    68,852x = 103,271.52 × 22,105.28
  4. Step 4: Simplify right side
    68,852x = 2,282,845,865.63
  5. Step 5: Solve for x
    x = 2,282,845,865.63/68,852
  6. Step 6: Final answer
    x = 33,155.84

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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.