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Finding the Fourth Proportional to 79,966.48, 110,327.52 and 48,123.76

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Solution

The fourth proportional to 79,966.48, 110,327.52 and 48,123.76 is: 66,395.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,966.48 : 110,327.52 = 48,123.76 : x
  2. Step 2: Convert to fraction form
    79,966.48/110,327.52 = 48,123.76/x
  3. Step 3: Cross multiply
    79,966.48x = 110,327.52 × 48,123.76
  4. Step 4: Simplify right side
    79,966.48x = 5,309,375,093.88
  5. Step 5: Solve for x
    x = 5,309,375,093.88/79,966.48
  6. Step 6: Final answer
    x = 66,395.01

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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.