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Finding the Fourth Proportional to 75,921.64, 113,843.51 and 44,393.30

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Solution

The fourth proportional to 75,921.64, 113,843.51 and 44,393.30 is: 66,567.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,921.64 : 113,843.51 = 44,393.30 : x
  2. Step 2: Convert to fraction form
    75,921.64/113,843.51 = 44,393.30/x
  3. Step 3: Cross multiply
    75,921.64x = 113,843.51 × 44,393.30
  4. Step 4: Simplify right side
    75,921.64x = 5,053,889,092.48
  5. Step 5: Solve for x
    x = 5,053,889,092.48/75,921.64
  6. Step 6: Final answer
    x = 66,567.17

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1.5x scale

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.