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Finding the Fourth Proportional to 79,869.98, 110,216.87 and 45,854.54

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Solution

The fourth proportional to 79,869.98, 110,216.87 and 45,854.54 is: 63,277.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,869.98 : 110,216.87 = 45,854.54 : x
  2. Step 2: Convert to fraction form
    79,869.98/110,216.87 = 45,854.54/x
  3. Step 3: Cross multiply
    79,869.98x = 110,216.87 × 45,854.54
  4. Step 4: Simplify right side
    79,869.98x = 5,053,943,679.00
  5. Step 5: Solve for x
    x = 5,053,943,679.00/79,869.98
  6. Step 6: Final answer
    x = 63,277.14

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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.