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Finding the Fourth Proportional to 104,910.80, 144,775.02 and 57,164.48

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Solution

The fourth proportional to 104,910.80, 144,775.02 and 57,164.48 is: 78,885.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,910.80 : 144,775.02 = 57,164.48 : x
  2. Step 2: Convert to fraction form
    104,910.80/144,775.02 = 57,164.48/x
  3. Step 3: Cross multiply
    104,910.80x = 144,775.02 × 57,164.48
  4. Step 4: Simplify right side
    104,910.80x = 8,275,988,735.29
  5. Step 5: Solve for x
    x = 8,275,988,735.29/104,910.80
  6. Step 6: Final answer
    x = 78,885.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.