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Finding the Fourth Proportional to 180,911.80, 271,319.10 and 62,619.40

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Solution

The fourth proportional to 180,911.80, 271,319.10 and 62,619.40 is: 93,912.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,911.80 : 271,319.10 = 62,619.40 : x
  2. Step 2: Convert to fraction form
    180,911.80/271,319.10 = 62,619.40/x
  3. Step 3: Cross multiply
    180,911.80x = 271,319.10 × 62,619.40
  4. Step 4: Simplify right side
    180,911.80x = 16,989,839,250.54
  5. Step 5: Solve for x
    x = 16,989,839,250.54/180,911.80
  6. Step 6: Final answer
    x = 93,912.28

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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.