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Finding the Fourth Proportional to 79,259.31, 118,854.41 and 29,976.75

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Solution

The fourth proportional to 79,259.31, 118,854.41 and 29,976.75 is: 44,952.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,259.31 : 118,854.41 = 29,976.75 : x
  2. Step 2: Convert to fraction form
    79,259.31/118,854.41 = 29,976.75/x
  3. Step 3: Cross multiply
    79,259.31x = 118,854.41 × 29,976.75
  4. Step 4: Simplify right side
    79,259.31x = 3,562,868,785.08
  5. Step 5: Solve for x
    x = 3,562,868,785.08/79,259.31
  6. Step 6: Final answer
    x = 44,952.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.