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Finding the Fourth Proportional to 79,786.35, 110,107.62 and 45,801.05

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Solution

The fourth proportional to 79,786.35, 110,107.62 and 45,801.05 is: 63,206.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,786.35 : 110,107.62 = 45,801.05 : x
  2. Step 2: Convert to fraction form
    79,786.35/110,107.62 = 45,801.05/x
  3. Step 3: Cross multiply
    79,786.35x = 110,107.62 × 45,801.05
  4. Step 4: Simplify right side
    79,786.35x = 5,043,044,058.46
  5. Step 5: Solve for x
    x = 5,043,044,058.46/79,786.35
  6. Step 6: Final answer
    x = 63,206.85

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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.