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Finding the Fourth Proportional to 67,566.60, 101,364.36 and 20,185.44

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Solution

The fourth proportional to 67,566.60, 101,364.36 and 20,185.44 is: 30,282.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,566.60 : 101,364.36 = 20,185.44 : x
  2. Step 2: Convert to fraction form
    67,566.60/101,364.36 = 20,185.44/x
  3. Step 3: Cross multiply
    67,566.60x = 101,364.36 × 20,185.44
  4. Step 4: Simplify right side
    67,566.60x = 2,046,084,206.92
  5. Step 5: Solve for x
    x = 2,046,084,206.92/67,566.60
  6. Step 6: Final answer
    x = 30,282.48

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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.