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Finding the Fourth Proportional to 104,775.88, 144,759.80 and 73,086.24

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Solution

The fourth proportional to 104,775.88, 144,759.80 and 73,086.24 is: 100,976.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,775.88 : 144,759.80 = 73,086.24 : x
  2. Step 2: Convert to fraction form
    104,775.88/144,759.80 = 73,086.24/x
  3. Step 3: Cross multiply
    104,775.88x = 144,759.80 × 73,086.24
  4. Step 4: Simplify right side
    104,775.88x = 10,579,949,485.15
  5. Step 5: Solve for x
    x = 10,579,949,485.15/104,775.88
  6. Step 6: Final answer
    x = 100,976.96

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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.