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Finding the Fourth Proportional to 68,044.62, 101,928.69 and 35,143.50

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Solution

The fourth proportional to 68,044.62, 101,928.69 and 35,143.50 is: 52,643.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,044.62 : 101,928.69 = 35,143.50 : x
  2. Step 2: Convert to fraction form
    68,044.62/101,928.69 = 35,143.50/x
  3. Step 3: Cross multiply
    68,044.62x = 101,928.69 × 35,143.50
  4. Step 4: Simplify right side
    68,044.62x = 3,582,130,917.02
  5. Step 5: Solve for x
    x = 3,582,130,917.02/68,044.62
  6. Step 6: Final answer
    x = 52,643.85

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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.