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Finding the Fourth Proportional to 79,846.18, 110,190.18 and 45,861.48

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Solution

The fourth proportional to 79,846.18, 110,190.18 and 45,861.48 is: 63,290.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,846.18 : 110,190.18 = 45,861.48 : x
  2. Step 2: Convert to fraction form
    79,846.18/110,190.18 = 45,861.48/x
  3. Step 3: Cross multiply
    79,846.18x = 110,190.18 × 45,861.48
  4. Step 4: Simplify right side
    79,846.18x = 5,053,484,908.25
  5. Step 5: Solve for x
    x = 5,053,484,908.25/79,846.18
  6. Step 6: Final answer
    x = 63,290.26

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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.