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Finding the Fourth Proportional to 79,767.91, 110,079.91 and 43,469.63

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Solution

The fourth proportional to 79,767.91, 110,079.91 and 43,469.63 is: 59,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,767.91 : 110,079.91 = 43,469.63 : x
  2. Step 2: Convert to fraction form
    79,767.91/110,079.91 = 43,469.63/x
  3. Step 3: Cross multiply
    79,767.91x = 110,079.91 × 43,469.63
  4. Step 4: Simplify right side
    79,767.91x = 4,785,132,958.13
  5. Step 5: Solve for x
    x = 4,785,132,958.13/79,767.91
  6. Step 6: Final answer
    x = 59,988.20

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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.