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Finding the Fourth Proportional to 68,851, 103,270.02 and 22,104.28

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Solution

The fourth proportional to 68,851, 103,270.02 and 22,104.28 is: 33,154.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,851 : 103,270.02 = 22,104.28 : x
  2. Step 2: Convert to fraction form
    68,851/103,270.02 = 22,104.28/x
  3. Step 3: Cross multiply
    68,851x = 103,270.02 × 22,104.28
  4. Step 4: Simplify right side
    68,851x = 2,282,709,437.69
  5. Step 5: Solve for x
    x = 2,282,709,437.69/68,851
  6. Step 6: Final answer
    x = 33,154.34

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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.