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Finding the Fourth Proportional to 79,058.70, 109,097.55 and 43,249.41

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Solution

The fourth proportional to 79,058.70, 109,097.55 and 43,249.41 is: 59,682.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,058.70 : 109,097.55 = 43,249.41 : x
  2. Step 2: Convert to fraction form
    79,058.70/109,097.55 = 43,249.41/x
  3. Step 3: Cross multiply
    79,058.70x = 109,097.55 × 43,249.41
  4. Step 4: Simplify right side
    79,058.70x = 4,718,404,669.95
  5. Step 5: Solve for x
    x = 4,718,404,669.95/79,058.70
  6. Step 6: Final answer
    x = 59,682.30

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1.5x scale

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.