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Finding the Fourth Proportional to 79,873.44, 110,244.56 and 48,036.20

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Solution

The fourth proportional to 79,873.44, 110,244.56 and 48,036.20 is: 66,301.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,873.44 : 110,244.56 = 48,036.20 : x
  2. Step 2: Convert to fraction form
    79,873.44/110,244.56 = 48,036.20/x
  3. Step 3: Cross multiply
    79,873.44x = 110,244.56 × 48,036.20
  4. Step 4: Simplify right side
    79,873.44x = 5,295,728,941.67
  5. Step 5: Solve for x
    x = 5,295,728,941.67/79,873.44
  6. Step 6: Final answer
    x = 66,301.50

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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.