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Finding the Fourth Proportional to 80,452.08, 120,689.08 and 46,733.92

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Solution

The fourth proportional to 80,452.08, 120,689.08 and 46,733.92 is: 70,107.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,452.08 : 120,689.08 = 46,733.92 : x
  2. Step 2: Convert to fraction form
    80,452.08/120,689.08 = 46,733.92/x
  3. Step 3: Cross multiply
    80,452.08x = 120,689.08 × 46,733.92
  4. Step 4: Simplify right side
    80,452.08x = 5,640,273,809.59
  5. Step 5: Solve for x
    x = 5,640,273,809.59/80,452.08
  6. Step 6: Final answer
    x = 70,107.25

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1.5x scale

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.