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Finding the Fourth Proportional to 262,474.98, 393,775.04 and 84,982.04

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Solution

The fourth proportional to 262,474.98, 393,775.04 and 84,982.04 is: 127,493.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,474.98 : 393,775.04 = 84,982.04 : x
  2. Step 2: Convert to fraction form
    262,474.98/393,775.04 = 84,982.04/x
  3. Step 3: Cross multiply
    262,474.98x = 393,775.04 × 84,982.04
  4. Step 4: Simplify right side
    262,474.98x = 33,463,807,397.17
  5. Step 5: Solve for x
    x = 33,463,807,397.17/262,474.98
  6. Step 6: Final answer
    x = 127,493.32

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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.