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Finding the Fourth Proportional to 68,102.40, 101,934.72 and 36,433.44

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Solution

The fourth proportional to 68,102.40, 101,934.72 and 36,433.44 is: 54,533.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,102.40 : 101,934.72 = 36,433.44 : x
  2. Step 2: Convert to fraction form
    68,102.40/101,934.72 = 36,433.44/x
  3. Step 3: Cross multiply
    68,102.40x = 101,934.72 × 36,433.44
  4. Step 4: Simplify right side
    68,102.40x = 3,713,832,505.04
  5. Step 5: Solve for x
    x = 3,713,832,505.04/68,102.40
  6. Step 6: Final answer
    x = 54,533.06

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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.