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Finding the Fourth Proportional to 80,009.68, 110,419.96 and 46,029.20

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Solution

The fourth proportional to 80,009.68, 110,419.96 and 46,029.20 is: 63,524.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,009.68 : 110,419.96 = 46,029.20 : x
  2. Step 2: Convert to fraction form
    80,009.68/110,419.96 = 46,029.20/x
  3. Step 3: Cross multiply
    80,009.68x = 110,419.96 × 46,029.20
  4. Step 4: Simplify right side
    80,009.68x = 5,082,542,422.83
  5. Step 5: Solve for x
    x = 5,082,542,422.83/80,009.68
  6. Step 6: Final answer
    x = 63,524.09

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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.