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Finding the Fourth Proportional to 538,847.82, 808,290.83 and 134,042.14

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Solution

The fourth proportional to 538,847.82, 808,290.83 and 134,042.14 is: 201,067.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,847.82 : 808,290.83 = 134,042.14 : x
  2. Step 2: Convert to fraction form
    538,847.82/808,290.83 = 134,042.14/x
  3. Step 3: Cross multiply
    538,847.82x = 808,290.83 × 134,042.14
  4. Step 4: Simplify right side
    538,847.82x = 108,345,032,595.58
  5. Step 5: Solve for x
    x = 108,345,032,595.58/538,847.82
  6. Step 6: Final answer
    x = 201,067.96

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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.