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Finding the Fourth Proportional to 98,568.55, 147,850.69 and 27,489.30

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Solution

The fourth proportional to 98,568.55, 147,850.69 and 27,489.30 is: 41,233.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,568.55 : 147,850.69 = 27,489.30 : x
  2. Step 2: Convert to fraction form
    98,568.55/147,850.69 = 27,489.30/x
  3. Step 3: Cross multiply
    98,568.55x = 147,850.69 × 27,489.30
  4. Step 4: Simplify right side
    98,568.55x = 4,064,311,972.62
  5. Step 5: Solve for x
    x = 4,064,311,972.62/98,568.55
  6. Step 6: Final answer
    x = 41,233.35

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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.