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Finding the Fourth Proportional to 80,649.73, 111,305.31 and 46,657.59

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Solution

The fourth proportional to 80,649.73, 111,305.31 and 46,657.59 is: 64,392.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,649.73 : 111,305.31 = 46,657.59 : x
  2. Step 2: Convert to fraction form
    80,649.73/111,305.31 = 46,657.59/x
  3. Step 3: Cross multiply
    80,649.73x = 111,305.31 × 46,657.59
  4. Step 4: Simplify right side
    80,649.73x = 5,193,238,259.25
  5. Step 5: Solve for x
    x = 5,193,238,259.25/80,649.73
  6. Step 6: Final answer
    x = 64,392.51

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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.