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Finding the Fourth Proportional to 79,793.70, 119,690.55 and 46,551.30

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Solution

The fourth proportional to 79,793.70, 119,690.55 and 46,551.30 is: 69,826.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,793.70 : 119,690.55 = 46,551.30 : x
  2. Step 2: Convert to fraction form
    79,793.70/119,690.55 = 46,551.30/x
  3. Step 3: Cross multiply
    79,793.70x = 119,690.55 × 46,551.30
  4. Step 4: Simplify right side
    79,793.70x = 5,571,750,700.22
  5. Step 5: Solve for x
    x = 5,571,750,700.22/79,793.70
  6. Step 6: Final answer
    x = 69,826.95

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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.