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Finding the Fourth Proportional to 173,268.80, 259,989.60 and 98,446.40

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Solution

The fourth proportional to 173,268.80, 259,989.60 and 98,446.40 is: 147,718.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,268.80 : 259,989.60 = 98,446.40 : x
  2. Step 2: Convert to fraction form
    173,268.80/259,989.60 = 98,446.40/x
  3. Step 3: Cross multiply
    173,268.80x = 259,989.60 × 98,446.40
  4. Step 4: Simplify right side
    173,268.80x = 25,595,040,157.44
  5. Step 5: Solve for x
    x = 25,595,040,157.44/173,268.80
  6. Step 6: Final answer
    x = 147,718.69

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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.