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Finding the Fourth Proportional to 68,883.51, 103,325.27 and 22,140.03

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Solution

The fourth proportional to 68,883.51, 103,325.27 and 22,140.03 is: 33,210.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,883.51 : 103,325.27 = 22,140.03 : x
  2. Step 2: Convert to fraction form
    68,883.51/103,325.27 = 22,140.03/x
  3. Step 3: Cross multiply
    68,883.51x = 103,325.27 × 22,140.03
  4. Step 4: Simplify right side
    68,883.51x = 2,287,624,978.87
  5. Step 5: Solve for x
    x = 2,287,624,978.87/68,883.51
  6. Step 6: Final answer
    x = 33,210.05

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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.