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Finding the Fourth Proportional to 172,844.30, 259,278.60 and 98,000.30

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Solution

The fourth proportional to 172,844.30, 259,278.60 and 98,000.30 is: 147,007.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,844.30 : 259,278.60 = 98,000.30 : x
  2. Step 2: Convert to fraction form
    172,844.30/259,278.60 = 98,000.30/x
  3. Step 3: Cross multiply
    172,844.30x = 259,278.60 × 98,000.30
  4. Step 4: Simplify right side
    172,844.30x = 25,409,380,583.58
  5. Step 5: Solve for x
    x = 25,409,380,583.58/172,844.30
  6. Step 6: Final answer
    x = 147,007.34

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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.