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Finding the Fourth Proportional to 110,872.80, 166,330.80 and 44,301.60

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Solution

The fourth proportional to 110,872.80, 166,330.80 and 44,301.60 is: 66,461.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,872.80 : 166,330.80 = 44,301.60 : x
  2. Step 2: Convert to fraction form
    110,872.80/166,330.80 = 44,301.60/x
  3. Step 3: Cross multiply
    110,872.80x = 166,330.80 × 44,301.60
  4. Step 4: Simplify right side
    110,872.80x = 7,368,720,569.28
  5. Step 5: Solve for x
    x = 7,368,720,569.28/110,872.80
  6. Step 6: Final answer
    x = 66,461.03

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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.