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Finding the Fourth Proportional to 80,893.68, 111,633.65 and 46,922.28

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Solution

The fourth proportional to 80,893.68, 111,633.65 and 46,922.28 is: 64,752.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,893.68 : 111,633.65 = 46,922.28 : x
  2. Step 2: Convert to fraction form
    80,893.68/111,633.65 = 46,922.28/x
  3. Step 3: Cross multiply
    80,893.68x = 111,633.65 × 46,922.28
  4. Step 4: Simplify right side
    80,893.68x = 5,238,104,905.44
  5. Step 5: Solve for x
    x = 5,238,104,905.44/80,893.68
  6. Step 6: Final answer
    x = 64,752.96

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1.5x scale

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.