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Finding the Fourth Proportional to 110,952.72, 166,412.67 and 40,815.63

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Solution

The fourth proportional to 110,952.72, 166,412.67 and 40,815.63 is: 61,217.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,952.72 : 166,412.67 = 40,815.63 : x
  2. Step 2: Convert to fraction form
    110,952.72/166,412.67 = 40,815.63/x
  3. Step 3: Cross multiply
    110,952.72x = 166,412.67 × 40,815.63
  4. Step 4: Simplify right side
    110,952.72x = 6,792,237,966.03
  5. Step 5: Solve for x
    x = 6,792,237,966.03/110,952.72
  6. Step 6: Final answer
    x = 61,217.41

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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.