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Finding the Fourth Proportional to 71,338.73, 107,498.85 and 59,133.44

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Solution

The fourth proportional to 71,338.73, 107,498.85 and 59,133.44 is: 89,106.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,338.73 : 107,498.85 = 59,133.44 : x
  2. Step 2: Convert to fraction form
    71,338.73/107,498.85 = 59,133.44/x
  3. Step 3: Cross multiply
    71,338.73x = 107,498.85 × 59,133.44
  4. Step 4: Simplify right side
    71,338.73x = 6,356,776,843.54
  5. Step 5: Solve for x
    x = 6,356,776,843.54/71,338.73
  6. Step 6: Final answer
    x = 89,106.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.