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Finding the Fourth Proportional to 110,751.30, 166,013.55 and 54,504.90

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Solution

The fourth proportional to 110,751.30, 166,013.55 and 54,504.90 is: 81,701.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,751.30 : 166,013.55 = 54,504.90 : x
  2. Step 2: Convert to fraction form
    110,751.30/166,013.55 = 54,504.90/x
  3. Step 3: Cross multiply
    110,751.30x = 166,013.55 × 54,504.90
  4. Step 4: Simplify right side
    110,751.30x = 9,048,551,941.40
  5. Step 5: Solve for x
    x = 9,048,551,941.40/110,751.30
  6. Step 6: Final answer
    x = 81,701.54

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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.