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Finding the Fourth Proportional to 110,908.56, 166,127.40 and 102,977.04

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Solution

The fourth proportional to 110,908.56, 166,127.40 and 102,977.04 is: 154,246.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,908.56 : 166,127.40 = 102,977.04 : x
  2. Step 2: Convert to fraction form
    110,908.56/166,127.40 = 102,977.04/x
  3. Step 3: Cross multiply
    110,908.56x = 166,127.40 × 102,977.04
  4. Step 4: Simplify right side
    110,908.56x = 17,107,307,914.90
  5. Step 5: Solve for x
    x = 17,107,307,914.90/110,908.56
  6. Step 6: Final answer
    x = 154,246.96

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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.