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Finding the Fourth Proportional to 84,589.68, 116,729.15 and 46,342.20

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Solution

The fourth proportional to 84,589.68, 116,729.15 and 46,342.20 is: 63,949.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,589.68 : 116,729.15 = 46,342.20 : x
  2. Step 2: Convert to fraction form
    84,589.68/116,729.15 = 46,342.20/x
  3. Step 3: Cross multiply
    84,589.68x = 116,729.15 × 46,342.20
  4. Step 4: Simplify right side
    84,589.68x = 5,409,485,383.42
  5. Step 5: Solve for x
    x = 5,409,485,383.42/84,589.68
  6. Step 6: Final answer
    x = 63,949.71

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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.