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Finding the Fourth Proportional to 173,090.40, 259,635.60 and 98,181.60

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Solution

The fourth proportional to 173,090.40, 259,635.60 and 98,181.60 is: 147,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,090.40 : 259,635.60 = 98,181.60 : x
  2. Step 2: Convert to fraction form
    173,090.40/259,635.60 = 98,181.60/x
  3. Step 3: Cross multiply
    173,090.40x = 259,635.60 × 98,181.60
  4. Step 4: Simplify right side
    173,090.40x = 25,491,438,624.96
  5. Step 5: Solve for x
    x = 25,491,438,624.96/173,090.40
  6. Step 6: Final answer
    x = 147,272.40

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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.