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Finding the Fourth Proportional to 98,179.49, 147,250.43 and 27,084.44

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Solution

The fourth proportional to 98,179.49, 147,250.43 and 27,084.44 is: 40,621.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,179.49 : 147,250.43 = 27,084.44 : x
  2. Step 2: Convert to fraction form
    98,179.49/147,250.43 = 27,084.44/x
  3. Step 3: Cross multiply
    98,179.49x = 147,250.43 × 27,084.44
  4. Step 4: Simplify right side
    98,179.49x = 3,988,194,564.63
  5. Step 5: Solve for x
    x = 3,988,194,564.63/98,179.49
  6. Step 6: Final answer
    x = 40,621.47

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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.