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Finding the Fourth Proportional to 274,250.80, 411,417.24 and 87,304.24

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Solution

The fourth proportional to 274,250.80, 411,417.24 and 87,304.24 is: 130,969.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,250.80 : 411,417.24 = 87,304.24 : x
  2. Step 2: Convert to fraction form
    274,250.80/411,417.24 = 87,304.24/x
  3. Step 3: Cross multiply
    274,250.80x = 411,417.24 × 87,304.24
  4. Step 4: Simplify right side
    274,250.80x = 35,918,469,461.10
  5. Step 5: Solve for x
    x = 35,918,469,461.10/274,250.80
  6. Step 6: Final answer
    x = 130,969.42

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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.