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Finding the Fourth Proportional to 83,859.44, 125,789.13 and 57,484.22

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Solution

The fourth proportional to 83,859.44, 125,789.13 and 57,484.22 is: 86,226.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,859.44 : 125,789.13 = 57,484.22 : x
  2. Step 2: Convert to fraction form
    83,859.44/125,789.13 = 57,484.22/x
  3. Step 3: Cross multiply
    83,859.44x = 125,789.13 × 57,484.22
  4. Step 4: Simplify right side
    83,859.44x = 7,230,889,393.58
  5. Step 5: Solve for x
    x = 7,230,889,393.58/83,859.44
  6. Step 6: Final answer
    x = 86,226.31

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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.