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Finding the Fourth Proportional to 173,048.80, 259,659.60 and 98,226.40

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Solution

The fourth proportional to 173,048.80, 259,659.60 and 98,226.40 is: 147,388.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,048.80 : 259,659.60 = 98,226.40 : x
  2. Step 2: Convert to fraction form
    173,048.80/259,659.60 = 98,226.40/x
  3. Step 3: Cross multiply
    173,048.80x = 259,659.60 × 98,226.40
  4. Step 4: Simplify right side
    173,048.80x = 25,505,427,733.44
  5. Step 5: Solve for x
    x = 25,505,427,733.44/173,048.80
  6. Step 6: Final answer
    x = 147,388.64

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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.