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Finding the Fourth Proportional to 79,908.72, 110,284.20 and 48,094.80

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Solution

The fourth proportional to 79,908.72, 110,284.20 and 48,094.80 is: 66,376.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,908.72 : 110,284.20 = 48,094.80 : x
  2. Step 2: Convert to fraction form
    79,908.72/110,284.20 = 48,094.80/x
  3. Step 3: Cross multiply
    79,908.72x = 110,284.20 × 48,094.80
  4. Step 4: Simplify right side
    79,908.72x = 5,304,096,542.16
  5. Step 5: Solve for x
    x = 5,304,096,542.16/79,908.72
  6. Step 6: Final answer
    x = 66,376.94

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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.