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Finding the Fourth Proportional to 79,058.51, 109,106.66 and 45,067.80

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Solution

The fourth proportional to 79,058.51, 109,106.66 and 45,067.80 is: 62,196.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,058.51 : 109,106.66 = 45,067.80 : x
  2. Step 2: Convert to fraction form
    79,058.51/109,106.66 = 45,067.80/x
  3. Step 3: Cross multiply
    79,058.51x = 109,106.66 × 45,067.80
  4. Step 4: Simplify right side
    79,058.51x = 4,917,196,906.21
  5. Step 5: Solve for x
    x = 4,917,196,906.21/79,058.51
  6. Step 6: Final answer
    x = 62,196.94

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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.