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Finding the Fourth Proportional to 68,851.26, 103,281.57 and 22,101.30

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Solution

The fourth proportional to 68,851.26, 103,281.57 and 22,101.30 is: 33,153.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,851.26 : 103,281.57 = 22,101.30 : x
  2. Step 2: Convert to fraction form
    68,851.26/103,281.57 = 22,101.30/x
  3. Step 3: Cross multiply
    68,851.26x = 103,281.57 × 22,101.30
  4. Step 4: Simplify right side
    68,851.26x = 2,282,656,963.04
  5. Step 5: Solve for x
    x = 2,282,656,963.04/68,851.26
  6. Step 6: Final answer
    x = 33,153.45

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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.